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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<script type="text/javascript">
//<![CDATA[
var version = {title: "TiddlyWiki", major: 2, minor: 2, revision: 4, date: new Date("Jun 19, 2007"), extensions: {}};
//]]>
</script>
<!--
TiddlyWiki created by Jeremy Ruston, (jeremy [at] osmosoft [dot] com)
Copyright (c) UnaMesa Association 2004-2007
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright notice, this
list of conditions and the following disclaimer in the documentation and/or other
materials provided with the distribution.
Neither the name of the UnaMesa Association nor the names of its contributors may be
used to endorse or promote products derived from this software without specific
prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
DAMAGE.
-->
<meta http-equiv="Content-Type" content="text/html;charset=utf-8"/>
<!--PRE-HEAD-START-->
<!--{{{-->
<link rel='alternate' type='application/rss+xml' title='RSS' href='index.xml'/>
<!--}}}-->
<!--PRE-HEAD-END-->
<title> Perl DBI FAQ - Gain DBI experience. Share DBI experience. </title>
<style type="text/css">
#saveTest {display:none;}
#messageArea {display:none;}
#copyright {display:none;}
#storeArea {display:none;}
#storeArea div {padding:0.5em; margin:1em 0em 0em 0em; border-color:#fff #666 #444 #ddd; border-style:solid; border-width:2px; overflow:auto;}
#shadowArea {display:none;}
#javascriptWarning {width:100%; text-align:center; font-weight:bold; background-color:#dd1100; color:#fff; padding:1em 0em;}
</style>
<!--POST-HEAD-START-->
<!--POST-HEAD-END-->
</head>
<body onload="main();" onunload="if(window.checkUnsavedChanges) checkUnsavedChanges(); if(window.scrubNodes) scrubNodes(document.body);">
<!--PRE-BODY-START-->
<!--PRE-BODY-END-->
<div id="copyright">
Welcome to TiddlyWiki created by Jeremy Ruston, Copyright © 2007 UnaMesa Association
</div>
<noscript>
<div id="javascriptWarning">This page requires JavaScript to function properly.<br /><br />If you are using Microsoft Internet Explorer you may need to click on the yellow bar above and select 'Allow Blocked Content'. You must then click 'Yes' on the following security warning.</div>
</noscript>
<div id="saveTest"></div>
<div id="backstageCloak"></div>
<div id="backstageButton"></div>
<div id="backstageArea"><div id="backstageToolbar"></div></div>
<div id="backstage">
<div id="backstagePanel"></div>
</div>
<div id="contentWrapper"></div>
<div id="contentStash"></div>
<div id="shadowArea">
<div title="ColorPalette">
<pre>Background: #fff
Foreground: #000
PrimaryPale: #8cf
PrimaryLight: #18f
PrimaryMid: #04b
PrimaryDark: #014
SecondaryPale: #ffc
SecondaryLight: #fe8
SecondaryMid: #db4
SecondaryDark: #841
TertiaryPale: #eee
TertiaryLight: #ccc
TertiaryMid: #999
TertiaryDark: #666
Error: #f88</pre>
</div>
<div title="StyleSheetColors">
<pre>/*{{{*/
body {background:[[ColorPalette::Background]]; color:[[ColorPalette::Foreground]];}
a {color:[[ColorPalette::PrimaryMid]];}
a:hover {background-color:[[ColorPalette::PrimaryMid]]; color:[[ColorPalette::Background]];}
a img {border:0;}
h1,h2,h3,h4,h5,h6 {color:[[ColorPalette::SecondaryDark]]; background:transparent;}
h1 {border-bottom:2px solid [[ColorPalette::TertiaryLight]];}
h2,h3 {border-bottom:1px solid [[ColorPalette::TertiaryLight]];}
.button {color:[[ColorPalette::PrimaryDark]]; border:1px solid [[ColorPalette::Background]];}
.button:hover {color:[[ColorPalette::PrimaryDark]]; background:[[ColorPalette::SecondaryLight]]; border-color:[[ColorPalette::SecondaryMid]];}
.button:active {color:[[ColorPalette::Background]]; background:[[ColorPalette::SecondaryMid]]; border:1px solid [[ColorPalette::SecondaryDark]];}
.header {background:[[ColorPalette::PrimaryMid]];}
.headerShadow {color:[[ColorPalette::Foreground]];}
.headerShadow a {font-weight:normal; color:[[ColorPalette::Foreground]];}
.headerForeground {color:[[ColorPalette::Background]];}
.headerForeground a {font-weight:normal; color:[[ColorPalette::PrimaryPale]];}
.tabSelected{color:[[ColorPalette::PrimaryDark]];
background:[[ColorPalette::TertiaryPale]];
border-left:1px solid [[ColorPalette::TertiaryLight]];
border-top:1px solid [[ColorPalette::TertiaryLight]];
border-right:1px solid [[ColorPalette::TertiaryLight]];
}
.tabUnselected {color:[[ColorPalette::Background]]; background:[[ColorPalette::TertiaryMid]];}
.tabContents {color:[[ColorPalette::PrimaryDark]]; background:[[ColorPalette::TertiaryPale]]; border:1px solid [[ColorPalette::TertiaryLight]];}
.tabContents .button {border:0;}
#sidebar {}
#sidebarOptions input {border:1px solid [[ColorPalette::PrimaryMid]];}
#sidebarOptions .sliderPanel {background:[[ColorPalette::PrimaryPale]];}
#sidebarOptions .sliderPanel a {border:none;color:[[ColorPalette::PrimaryMid]];}
#sidebarOptions .sliderPanel a:hover {color:[[ColorPalette::Background]]; background:[[ColorPalette::PrimaryMid]];}
#sidebarOptions .sliderPanel a:active {color:[[ColorPalette::PrimaryMid]]; background:[[ColorPalette::Background]];}
.wizard {background:[[ColorPalette::PrimaryPale]]; border:1px solid [[ColorPalette::PrimaryMid]];}
.wizard h1 {color:[[ColorPalette::PrimaryDark]]; border:none;}
.wizard h2 {color:[[ColorPalette::Foreground]]; border:none;}
.wizardStep {background:[[ColorPalette::Background]]; color:[[ColorPalette::Foreground]];
border:1px solid [[ColorPalette::PrimaryMid]];}
.wizardStep.wizardStepDone {background::[[ColorPalette::TertiaryLight]];}
.wizardFooter {background:[[ColorPalette::PrimaryPale]];}
.wizardFooter .status {background:[[ColorPalette::PrimaryDark]]; color:[[ColorPalette::Background]];}
.wizard .button {color:[[ColorPalette::Foreground]]; background:[[ColorPalette::SecondaryLight]]; border: 1px solid;
border-color:[[ColorPalette::SecondaryPale]] [[ColorPalette::SecondaryDark]] [[ColorPalette::SecondaryDark]] [[ColorPalette::SecondaryPale]];}
.wizard .button:hover {color:[[ColorPalette::Foreground]]; background:[[ColorPalette::Background]];}
.wizard .button:active {color:[[ColorPalette::Background]]; background:[[ColorPalette::Foreground]]; border: 1px solid;
border-color:[[ColorPalette::PrimaryDark]] [[ColorPalette::PrimaryPale]] [[ColorPalette::PrimaryPale]] [[ColorPalette::PrimaryDark]];}
#messageArea {border:1px solid [[ColorPalette::SecondaryMid]]; background:[[ColorPalette::SecondaryLight]]; color:[[ColorPalette::Foreground]];}
#messageArea .button {color:[[ColorPalette::PrimaryMid]]; background:[[ColorPalette::SecondaryPale]]; border:none;}
.popupTiddler {background:[[ColorPalette::TertiaryPale]]; border:2px solid [[ColorPalette::TertiaryMid]];}
.popup {background:[[ColorPalette::TertiaryPale]]; color:[[ColorPalette::TertiaryDark]]; border-left:1px solid [[ColorPalette::TertiaryMid]]; border-top:1px solid [[ColorPalette::TertiaryMid]]; border-right:2px solid [[ColorPalette::TertiaryDark]]; border-bottom:2px solid [[ColorPalette::TertiaryDark]];}
.popup hr {color:[[ColorPalette::PrimaryDark]]; background:[[ColorPalette::PrimaryDark]]; border-bottom:1px;}
.popup li.disabled {color:[[ColorPalette::TertiaryMid]];}
.popup li a, .popup li a:visited {color:[[ColorPalette::Foreground]]; border: none;}
.popup li a:hover {background:[[ColorPalette::SecondaryLight]]; color:[[ColorPalette::Foreground]]; border: none;}
.popup li a:active {background:[[ColorPalette::SecondaryPale]]; color:[[ColorPalette::Foreground]]; border: none;}
.popupHighlight {background:[[ColorPalette::Background]]; color:[[ColorPalette::Foreground]];}
.listBreak div {border-bottom:1px solid [[ColorPalette::TertiaryDark]];}
.tiddler .defaultCommand {font-weight:bold;}
.shadow .title {color:[[ColorPalette::TertiaryDark]];}
.title {color:[[ColorPalette::SecondaryDark]];}
.subtitle {color:[[ColorPalette::TertiaryDark]];}
.toolbar {color:[[ColorPalette::PrimaryMid]];}
.toolbar a {color:[[ColorPalette::TertiaryLight]];}
.selected .toolbar a {color:[[ColorPalette::TertiaryMid]];}
.selected .toolbar a:hover {color:[[ColorPalette::Foreground]];}
.tagging, .tagged {border:1px solid [[ColorPalette::TertiaryPale]]; background-color:[[ColorPalette::TertiaryPale]];}
.selected .tagging, .selected .tagged {background-color:[[ColorPalette::TertiaryLight]]; border:1px solid [[ColorPalette::TertiaryMid]];}
.tagging .listTitle, .tagged .listTitle {color:[[ColorPalette::PrimaryDark]];}
.tagging .button, .tagged .button {border:none;}
.footer {color:[[ColorPalette::TertiaryLight]];}
.selected .footer {color:[[ColorPalette::TertiaryMid]];}
.sparkline {background:[[ColorPalette::PrimaryPale]]; border:0;}
.sparktick {background:[[ColorPalette::PrimaryDark]];}
.error, .errorButton {color:[[ColorPalette::Foreground]]; background:[[ColorPalette::Error]];}
.warning {color:[[ColorPalette::Foreground]]; background:[[ColorPalette::SecondaryPale]];}
.lowlight {background:[[ColorPalette::TertiaryLight]];}
.zoomer {background:none; color:[[ColorPalette::TertiaryMid]]; border:3px solid [[ColorPalette::TertiaryMid]];}
.imageLink, #displayArea .imageLink {background:transparent;}
.annotation {background:[[ColorPalette::SecondaryLight]]; color:[[ColorPalette::Foreground]]; border:2px solid [[ColorPalette::SecondaryMid]];}
.viewer .listTitle {list-style-type:none; margin-left:-2em;}
.viewer .button {border:1px solid [[ColorPalette::SecondaryMid]];}
.viewer blockquote {border-left:3px solid [[ColorPalette::TertiaryDark]];}
.viewer table, table.twtable {border:2px solid [[ColorPalette::TertiaryDark]];}
.viewer th, .viewer thead td, .twtable th, .twtable thead td {background:[[ColorPalette::SecondaryMid]]; border:1px solid [[ColorPalette::TertiaryDark]]; color:[[ColorPalette::Background]];}
.viewer td, .viewer tr, .twtable td, .twtable tr {border:1px solid [[ColorPalette::TertiaryDark]];}
.viewer pre {border:1px solid [[ColorPalette::SecondaryLight]]; background:[[ColorPalette::SecondaryPale]];}
.viewer code {color:[[ColorPalette::SecondaryDark]];}
.viewer hr {border:0; border-top:dashed 1px [[ColorPalette::TertiaryDark]]; color:[[ColorPalette::TertiaryDark]];}
.highlight, .marked {background:[[ColorPalette::SecondaryLight]];}
.editor input {border:1px solid [[ColorPalette::PrimaryMid]];}
.editor textarea {border:1px solid [[ColorPalette::PrimaryMid]]; width:100%;}
.editorFooter {color:[[ColorPalette::TertiaryMid]];}
#backstageArea {background:[[ColorPalette::Foreground]]; color:[[ColorPalette::TertiaryMid]];}
#backstageArea a {background:[[ColorPalette::Foreground]]; color:[[ColorPalette::Background]]; border:none;}
#backstageArea a:hover {background:[[ColorPalette::SecondaryLight]]; color:[[ColorPalette::Foreground]]; }
#backstageArea a.backstageSelTab {background:[[ColorPalette::Background]]; color:[[ColorPalette::Foreground]];}
#backstageButton a {background:none; color:[[ColorPalette::Background]]; border:none;}
#backstageButton a:hover {background:[[ColorPalette::Foreground]]; color:[[ColorPalette::Background]]; border:none;}
#backstagePanel {background:[[ColorPalette::Background]]; border-color: [[ColorPalette::Background]] [[ColorPalette::TertiaryDark]] [[ColorPalette::TertiaryDark]] [[ColorPalette::TertiaryDark]];}
.backstagePanelFooter .button {border:none; color:[[ColorPalette::Background]];}
.backstagePanelFooter .button:hover {color:[[ColorPalette::Foreground]];}
#backstageCloak {background:[[ColorPalette::Foreground]]; opacity:0.6; filter:'alpha(opacity:60)';}
/*}}}*/</pre>
</div>
<div title="StyleSheetLayout">
<pre>/*{{{*/
* html .tiddler {height:1%;}
body {font-size:.75em; font-family:arial,helvetica; margin:0; padding:0;}
h1,h2,h3,h4,h5,h6 {font-weight:bold; text-decoration:none;}
h1,h2,h3 {padding-bottom:1px; margin-top:1.2em;margin-bottom:0.3em;}
h4,h5,h6 {margin-top:1em;}
h1 {font-size:1.35em;}
h2 {font-size:1.25em;}
h3 {font-size:1.1em;}
h4 {font-size:1em;}
h5 {font-size:.9em;}
hr {height:1px;}
a {text-decoration:none;}
dt {font-weight:bold;}
ol {list-style-type:decimal;}
ol ol {list-style-type:lower-alpha;}
ol ol ol {list-style-type:lower-roman;}
ol ol ol ol {list-style-type:decimal;}
ol ol ol ol ol {list-style-type:lower-alpha;}
ol ol ol ol ol ol {list-style-type:lower-roman;}
ol ol ol ol ol ol ol {list-style-type:decimal;}
.txtOptionInput {width:11em;}
#contentWrapper .chkOptionInput {border:0;}
.externalLink {text-decoration:underline;}
.indent {margin-left:3em;}
.outdent {margin-left:3em; text-indent:-3em;}
code.escaped {white-space:nowrap;}
.tiddlyLinkExisting {font-weight:bold;}
.tiddlyLinkNonExisting {font-style:italic;}
/* the 'a' is required for IE, otherwise it renders the whole tiddler in bold */
a.tiddlyLinkNonExisting.shadow {font-weight:bold;}
#mainMenu .tiddlyLinkExisting,
#mainMenu .tiddlyLinkNonExisting,
#sidebarTabs .tiddlyLinkNonExisting {font-weight:normal; font-style:normal;}
#sidebarTabs .tiddlyLinkExisting {font-weight:bold; font-style:normal;}
.header {position:relative;}
.header a:hover {background:transparent;}
.headerShadow {position:relative; padding:4.5em 0em 1em 1em; left:-1px; top:-1px;}
.headerForeground {position:absolute; padding:4.5em 0em 1em 1em; left:0px; top:0px;}
.siteTitle {font-size:3em;}
.siteSubtitle {font-size:1.2em;}
#mainMenu {position:absolute; left:0; width:10em; text-align:right; line-height:1.6em; padding:1.5em 0.5em 0.5em 0.5em; font-size:1.1em;}
#sidebar {position:absolute; right:3px; width:16em; font-size:.9em;}
#sidebarOptions {padding-top:0.3em;}
#sidebarOptions a {margin:0em 0.2em; padding:0.2em 0.3em; display:block;}
#sidebarOptions input {margin:0.4em 0.5em;}
#sidebarOptions .sliderPanel {margin-left:1em; padding:0.5em; font-size:.85em;}
#sidebarOptions .sliderPanel a {font-weight:bold; display:inline; padding:0;}
#sidebarOptions .sliderPanel input {margin:0 0 .3em 0;}
#sidebarTabs .tabContents {width:15em; overflow:hidden;}
.wizard {padding:0.1em 1em 0em 2em;}
.wizard h1 {font-size:2em; font-weight:bold; background:none; padding:0em 0em 0em 0em; margin:0.4em 0em 0.2em 0em;}
.wizard h2 {font-size:1.2em; font-weight:bold; background:none; padding:0em 0em 0em 0em; margin:0.4em 0em 0.2em 0em;}
.wizardStep {padding:1em 1em 1em 1em;}
.wizard .button {margin:0.5em 0em 0em 0em; font-size:1.2em;}
.wizardFooter {padding:0.8em 0.4em 0.8em 0em;}
.wizardFooter .status {padding:0em 0.4em 0em 0.4em; margin-left:1em;}
.wizard .button {padding:0.1em 0.2em 0.1em 0.2em;}
#messageArea {position:fixed; top:2em; right:0em; margin:0.5em; padding:0.5em; z-index:2000; _position:absolute;}
.messageToolbar {display:block; text-align:right; padding:0.2em 0.2em 0.2em 0.2em;}
#messageArea a {text-decoration:underline;}
.tiddlerPopupButton {padding:0.2em 0.2em 0.2em 0.2em;}
.popupTiddler {position: absolute; z-index:300; padding:1em 1em 1em 1em; margin:0;}
.popup {position:absolute; z-index:300; font-size:.9em; padding:0; list-style:none; margin:0;}
.popup .popupMessage {padding:0.4em;}
.popup hr {display:block; height:1px; width:auto; padding:0; margin:0.2em 0em;}
.popup li.disabled {padding:0.4em;}
.popup li a {display:block; padding:0.4em; font-weight:normal; cursor:pointer;}
.listBreak {font-size:1px; line-height:1px;}
.listBreak div {margin:2px 0;}
.tabset {padding:1em 0em 0em 0.5em;}
.tab {margin:0em 0em 0em 0.25em; padding:2px;}
.tabContents {padding:0.5em;}
.tabContents ul, .tabContents ol {margin:0; padding:0;}
.txtMainTab .tabContents li {list-style:none;}
.tabContents li.listLink { margin-left:.75em;}
#contentWrapper {display:block;}
#splashScreen {display:none;}
#displayArea {margin:1em 17em 0em 14em;}
.toolbar {text-align:right; font-size:.9em;}
.tiddler {padding:1em 1em 0em 1em;}
.missing .viewer,.missing .title {font-style:italic;}
.title {font-size:1.6em; font-weight:bold;}
.missing .subtitle {display:none;}
.subtitle {font-size:1.1em;}
.tiddler .button {padding:0.2em 0.4em;}
.tagging {margin:0.5em 0.5em 0.5em 0; float:left; display:none;}
.isTag .tagging {display:block;}
.tagged {margin:0.5em; float:right;}
.tagging, .tagged {font-size:0.9em; padding:0.25em;}
.tagging ul, .tagged ul {list-style:none; margin:0.25em; padding:0;}
.tagClear {clear:both;}
.footer {font-size:.9em;}
.footer li {display:inline;}
.annotation {padding:0.5em; margin:0.5em;}
* html .viewer pre {width:99%; padding:0 0 1em 0;}
.viewer {line-height:1.4em; padding-top:0.5em;}
.viewer .button {margin:0em 0.25em; padding:0em 0.25em;}
.viewer blockquote {line-height:1.5em; padding-left:0.8em;margin-left:2.5em;}
.viewer ul, .viewer ol {margin-left:0.5em; padding-left:1.5em;}
.viewer table, table.twtable {border-collapse:collapse; margin:0.8em 1.0em;}
.viewer th, .viewer td, .viewer tr,.viewer caption,.twtable th, .twtable td, .twtable tr,.twtable caption {padding:3px;}
table.listView {font-size:0.85em; margin:0.8em 1.0em;}
table.listView th, table.listView td, table.listView tr {padding:0px 3px 0px 3px;}
.viewer pre {padding:0.5em; margin-left:0.5em; font-size:1.2em; line-height:1.4em; overflow:auto;}
.viewer code {font-size:1.2em; line-height:1.4em;}
.editor {font-size:1.1em;}
.editor input, .editor textarea {display:block; width:100%; font:inherit;}
.editorFooter {padding:0.25em 0em; font-size:.9em;}
.editorFooter .button {padding-top:0px; padding-bottom:0px;}
.fieldsetFix {border:0; padding:0; margin:1px 0px 1px 0px;}
.sparkline {line-height:1em;}
.sparktick {outline:0;}
.zoomer {font-size:1.1em; position:absolute; overflow:hidden;}
.zoomer div {padding:1em;}
* html #backstage {width:99%;}
* html #backstageArea {width:99%;}
#backstageArea {display:none; position:relative; overflow: hidden; z-index:150; padding:0.3em 0.5em 0.3em 0.5em;}
#backstageToolbar {position:relative;}
#backstageArea a {font-weight:bold; margin-left:0.5em; padding:0.3em 0.5em 0.3em 0.5em;}
#backstageButton {display:none; position:absolute; z-index:175; top:0em; right:0em;}
#backstageButton a {padding:0.1em 0.4em 0.1em 0.4em; margin:0.1em 0.1em 0.1em 0.1em;}
#backstage {position:relative; width:100%; z-index:50;}
#backstagePanel {display:none; z-index:100; position:absolute; margin:0em 3em 0em 3em; padding:1em 1em 1em 1em;}
.backstagePanelFooter {padding-top:0.2em; float:right;}
.backstagePanelFooter a {padding:0.2em 0.4em 0.2em 0.4em;}
#backstageCloak {display:none; z-index:20; position:absolute; width:100%; height:100px;}
.whenBackstage {display:none;}
.backstageVisible .whenBackstage {display:block;}
/*}}}*/</pre>
</div>
<div title="StyleSheetLocale">
<pre>/***
StyleSheet for use when a translation requires any css style changes.
This StyleSheet can be used directly by languages such as Chinese, Japanese and Korean which use a logographic writing system and need larger font sizes.
***/
/*{{{*/
body {font-size:0.8em;}
#sidebarOptions {font-size:1.05em;}
#sidebarOptions a {font-style:normal;}
#sidebarOptions .sliderPanel {font-size:0.95em;}
.subtitle {font-size:0.8em;}
.viewer table.listView {font-size:0.95em;}
.htmlarea .toolbarHA table {border:1px solid ButtonFace; margin:0em 0em;}
/*}}}*/</pre>
</div>
<div title="StyleSheetPrint">
<pre>/*{{{*/
@media print {
#mainMenu, #sidebar, #messageArea, .toolbar, #backstageButton {display: none ! important;}
#displayArea {margin: 1em 1em 0em 1em;}
/* Fixes a feature in Firefox 1.5.0.2 where print preview displays the noscript content */
noscript {display:none;}
}
/*}}}*/</pre>
</div>
<div title="PageTemplate">
<pre><!--{{{-->
<div class='header' macro='gradient vert [[ColorPalette::PrimaryLight]] [[ColorPalette::PrimaryMid]]'>
<div class='headerShadow'>
<span class='siteTitle' refresh='content' tiddler='SiteTitle'></span>&nbsp;
<span class='siteSubtitle' refresh='content' tiddler='SiteSubtitle'></span>
</div>
<div class='headerForeground'>
<span class='siteTitle' refresh='content' tiddler='SiteTitle'></span>&nbsp;
<span class='siteSubtitle' refresh='content' tiddler='SiteSubtitle'></span>
</div>
</div>
<div id='mainMenu' refresh='content' tiddler='MainMenu'></div>
<div id='sidebar'>
<div id='sidebarOptions' refresh='content' tiddler='SideBarOptions'></div>
<div id='sidebarTabs' refresh='content' force='true' tiddler='SideBarTabs'></div>
</div>
<div id='displayArea'>
<div id='messageArea'></div>
<div id='tiddlerDisplay'></div>
</div>
<!--}}}--></pre>
</div>
<div title="ViewTemplate">
<pre><!--{{{-->
<div class='toolbar' macro='toolbar closeTiddler closeOthers +editTiddler > fields syncing permalink references jump'></div>
<div class='title' macro='view title'></div>
<div class='subtitle'><span macro='view modifier link'></span>, <span macro='view modified date'></span> (<span macro='message views.wikified.createdPrompt'></span> <span macro='view created date'></span>)</div>
<div class='tagging' macro='tagging'></div>
<div class='tagged' macro='tags'></div>
<div class='viewer' macro='view text wikified'></div>
<div class='tagClear'></div>
<!--}}}--></pre>
</div>
<div title="EditTemplate">
<pre><!--{{{-->
<div class='toolbar' macro='toolbar +saveTiddler -cancelTiddler deleteTiddler'></div>
<div class='title' macro='view title'></div>
<div class='editor' macro='edit title'></div>
<div macro='annotations'></div>
<div class='editor' macro='edit text'></div>
<div class='editor' macro='edit tags'></div><div class='editorFooter'><span macro='message views.editor.tagPrompt'></span><span macro='tagChooser'></span></div>
<!--}}}--></pre>
</div>
<div title="GettingStarted">
<pre>To get started with this blank TiddlyWiki, you'll need to modify the following tiddlers:
* SiteTitle & SiteSubtitle: The title and subtitle of the site, as shown above (after saving, they will also appear in the browser title bar)
* MainMenu: The menu (usually on the left)
* DefaultTiddlers: Contains the names of the tiddlers that you want to appear when the TiddlyWiki is opened
You'll also need to enter your username for signing your edits: <<option txtUserName>></pre>
</div>
<div title="OptionsPanel">
<pre>These InterfaceOptions for customising TiddlyWiki are saved in your browser
Your username for signing your edits. Write it as a WikiWord (eg JoeBloggs)
<<option txtUserName>>
<<option chkSaveBackups>> SaveBackups
<<option chkAutoSave>> AutoSave
<<option chkRegExpSearch>> RegExpSearch
<<option chkCaseSensitiveSearch>> CaseSensitiveSearch
<<option chkAnimate>> EnableAnimations
----
Also see AdvancedOptions</pre>
</div>
</div>
<!--POST-SHADOWAREA-->
<div id="storeArea">
<div title="Contributing" modifier="TimBunce" modified="200707181223" created="200707181150" changecount="10">
<pre>Many people have contributed to the DBI and its database drivers in many ways over many years.
Perhaps you'd like to find a way contribute yourself...
*Contribute help on the [[DBI Mailing Lists]].
*Contribute your experience to the community by [[Editing This FAQ]].
*Contributing fixes and enhancements by [[Patching the Source]].
*Or perhaps you're interested in [[Implementing a Driver]].
See also http://dbi.perl.org/contributing
</pre>
</div>
<div title="DBD::ODBC" modifier="RobertHicks" created="200708201159" changecount="1">
<pre>[[DBD::ODBC for MySQL V 5 under MS Windows]]</pre>
</div>
<div title="DBD::ODBC for MySQL V 5 under MS Windows" modifier="RobertHicks" modified="200708201202" created="200708201200" changecount="7">
<pre>These notes refer to ~MySQL V 5.0.45 and ~MySQL Connector ODBC V 3.51.19.
When installing ~MySQL, a dialog asks for a password. The user corresponding to this password is 'root'. Assume the value of this password is 'serverpassword'. Make a note of this username/password pair. Also: All single quotes herein are just for clarity. Don't type them in.
After installing the Connector, use Start/Settings/Control Panel/Administrative Tools/Data Sources (ODBC) to define a Data Source Name (DSN). The menu sequence just given is for ~WinXP. Other versions of Windows will be slightly different.
Choose System DSN rather than User DSN when creating a new DSN. System ~DSNs are visible to all users. A User DSN will only be visible to the user defining the DSN. This means, for instance, that if a web server running under a special user runs a CGI script, that CGI script will not have access to User ~DSNs other than those defined by that special user.
For your new DSN, create one of type ~MySQL (this is just a sample for testing):
* Call the DSN 'my-dsn', say
* There is no default server, so specify 'localhost'
* There is no default database, so specify 'mysql'
* The default username is 'root1'. Enter 'root'
* The default password is empty. Enter 'serverpassword'
* There is no default character set, so try 'latin1'
* Test the connection by clicking the button. Presumably it works...
* Save the DSN and test it from Perl, but be warned. The username and password in the Perl code to generate a database handle, , are discarded (sic) by ~MySQL Connector. That's why they need to be explicitly specified as below:
{{{
$dbh = DBI->connect('dbi:ODBC:my-dsn', $username, $password)
}}}
Once you can connect from Perl, you can run mysql.exe to create new databases and (~MySQL) users. Let's create a database called 'modules', for the username/password combination 'a.username'/'a.password', all of which will be used later in a new DSN:
From the command line:
{{{
mysql -uroot -p mysql
(Enter 'serverpassword' when prompted)
mysql> create database modules;
mysql> grant all privileges on *.* to 'a.username'@'localhost' identified by 'a.password' with grant option;
mysql> \q
}}}
Now you can return to define a corresponding DSN, and to delete that sample DSN my-dsn.</pre>
</div>
<div title="DBI FAQ 1.1 What is DBI, DBperl, Oraperl and *perl?" modifier="RobertHicks" modified="200707172221" created="200706211220" changecount="6">
<pre>To quote Tim Bunce, the architect and author of DBI:
{{{
"DBI is a database access Application Programming Interface (API)
for the Perl Language. The DBI API Specification defines a set of
functions, variables and conventions that provide a consistent
database interface independant of the actual database being used."
}}}
In simple language, the DBI interface allows users to access multiple database types transparently. So, if you connecting to an Oracle, Informix, mSQL, Sybase or whatever database, you don't need to know the underlying mechanics of the 3GL layer. The API defined by DBI will work on all these database types.
A similar benefit is gained by the ability to connect to two different databases of different vendor within the one perl script, ie, I want to read data from an Oracle database and insert it back into an Informix database all within one program. The DBI layer allows you to do this simply and powerfully.
~DBperl is the old name for the interface specification. It's usually now used to denote perl4 modules on database interfacing, such as, oraperl, isqlperl, ingperl and so on. These interfaces didn't have a standard API and are generally not supported.
Here's a list of ~DBperl modules, their corresponding DBI counterparts and support information. Please note, the author's listed here generally do not maintain the DBI module for the same database. These email addresses are unverified and should only be used for queries concerning the perl4 modules listed below. DBI driver queries should be directed to the dbi-users mailing list.
| !Module Name | !Database Required | !Author | !DBI |
|Sybperl|Sybase |Michael Peppler <mpeppler@itf.ch> |DBD::Sybase|
|Oraperl|Oracle 6 & 7 |Kevin Stock <dbi-users@perl.org>|DBD::Oracle|
|Ingperl|Ingres|Tim Bunce & Ted Lemon <dbi-users@perl.org>|DBD::Ingres|
|Interperl|Interbase|Buzz Moschetti <buzz@bear.com>|DBD::Interbase|
|Uniperl|Unify 5.0|Rick Wargo <rickers@coe.drexel.edu>|None|
|Pgperl|Postgres|Igor Metz <metz@iam.unibe.ch>|DBD::Pg|
|Btreeperl|NDBM|John Conover <john@johncon.com>|SDBM?|
|Ctreeperl|~C-Tree|John Conover <john@johncon.com>|None|
|Cisamperl|Informix ~C-ISAM|Mathias Koerber mathias@unicorn.swi.com.sg>|None|
|Duaperl|X.500 Directory User Agent|Eric Douglas|None|
However, some DBI modules have DBperl emulation layers, so, DBD::Oracle comes with an Oraperl emulation layer, which allows you to run legacy oraperl scripts without modification. The emulation layer translates the oraperl API calls into DBI calls and executes them through the DBI switch.
Here's a table of emulation layer information:
| !Module | !Emulation Layer | !Status |
|DBD::Oracle|Oraperl|Complete|
|DBD::Informix|Isqlperl|Under development|
|DBD::Ingres|Ingperl|Complete?|
|DBD::Sybase|Sybperl|Working? ( Needs verification )|
|DBD::mSQL|Msqlperl|Experimentally released with DBD::mSQL-0.61|
The Msqlperl emulation is a special case. Msqlperl is a perl5 driver for mSQL databases, but does not conform to the DBI Specification. It's use is being deprecated in favour of DBD::mSQL. Msqlperl may be downloaded from CPAN via:
{{{
http://www.perl.com/cgi-bin/cpan_mod?module=Msqlperl
}}}
</pre>
</div>
<div title="DBI FAQ 1.3. Where can I get more information?" modifier="RobertHicks" modified="200707172222" created="200706221204" changecount="14">
<pre>There are a few information sources on DBI.
//"Programming the Perl DBI"//
"Programming the Perl DBI" is the official book on the DBI written by Alligator Descartes and Tim Bunce and published by O'Reilly & Associates. The book was released on February 9th, 2000.
{{{
The table of contents is:
Preface
1. Introduction
From Mainframes to Workstations
Perl
DBI in the Real World
A Historical Interlude and Standing Stones
2. Basic Non-DBI Databases
Storage Managers and Layers
Query Languages and Data Functions
Standing Stones and the Sample Database
Flat-File Databases
Putting Complex Data into Flat Files
Concurrent Database Access and Locking
DBM Files and the Berkeley Database Manager
The MLDBM Module
Summary
3. SQL and Relational Databases
The Relational Database Methodology
Datatypes and NULL Values
Querying Data
Modifying Data Within Tables
Creating and Destroying Tables
4. Programming with the DBI
DBI Architecture
Handles
Data Source Names
Connection and Disconnection
Error Handling
Utility Methods and Functions
5. Interacting with the Database
Issuing Simple Queries
Executing Non-SELECT Statements
Binding Parameters to Statements
Binding Output Columns
do() Versus prepare()
Atomic and Batch Fetching
6. Advanced DBI
Handle Attributes and Metadata
Handling LONG/LOB Data
Transactions, Locking, and Isolation
7. ODBC and the DBI
ODBC -- Embraced and Extended
DBI -- Thrashed and Mutated
The Nuts and Bolts of ODBC
ODBC from Perl
The Marriage of DBI and ODBC
Questions and Choices
Moving Between Win32::ODBC and the DBI
And What About ADO?
8. DBI Shell and Database Proxying
dbish -- The DBI Shell
Database Proxying
A. DBI Specification
B. Driver and Database Characteristics
C. ASLaN Sacred Site Charter
Index
}}}
The book should be available from all good bookshops and can be ordered online either via O'Reilly & Associates
{{{
http://www.oreilly.com/catalog/perldbi
}}}
or Amazon
{{{
http://www.amazon.com/exec/obidos/ASIN/1565926994/dbi
}}}
//POD documentation//
~PODs are chunks of documentation usually embedded within perl programs that document the code //in place//, providing a useful resource for programmers and users of modules. POD for DBI and drivers is beginning to become more commonplace, and documentation for these modules can be read with the perldoc program included with Perl.
''The DBI Specification''
The POD for the DBI Specification can be read with the:
{{{
perldoc DBI
}}}
command. The Specification also forms Appendix A of "Programming the Perl DBI".
''Oraperl''
Users of the Oraperl emulation layer bundled with DBD::Oracle, may read up on how to program with the Oraperl interface by typing:
{{{
perldoc Oraperl
}}}
This will produce an updated copy of the original oraperl man page written by Kevin Stock for perl4. The oraperl API is fully listed and described there.
''Drivers''
Users of the DBD modules may read about some of the private functions and quirks of that driver by typing:
{{{
perldoc <driver>
}}}
For example, the DBD::mSQL driver is bundled with driver-specific documentation that can be accessed by typing
{{{
perldoc DBD::mSQL
}}}
''Frequently Asked Questions''
This document, the Frequently Asked Questions is also available as POD documentation! You can read this on your own system by typing:
{{{
perldoc DBI::FAQ
}}}
This may be more convenient to persons not permanently, or conveniently, connected to the Internet. The DBI::FAQ module should be downloaded and installed for the more up-to-date version.
The version of DBI::FAQ shipped with the DBI module may be slightly out of date.
''POD in general''
Information on writing POD, and on the philosophy of POD in general, can be read by typing:
{{{
perldoc perlpod
}}}
Users with the Tk module installed may be interested to learn there is a Tk-based POD reader available called tkpod, which formats POD in a convenient and readable way. This is available via CPAN as the module called Tk::POD and is highly recommended.
''Driver and Database Characteristics''
The driver summaries that were produced for Appendix B of "Programming the Perl DBI" are available online at:
{{{
http://dbi.perl.org/
http://www.symbolstone.org/technology/perl/DBI
}}}
in the driver information table. These summaries contain standardised information on each driver and database which should aid you in selecting a database to use. It will also inform you quickly of any issues within drivers or whether a driver is not fully compliant with the DBI Specification.
''Rambles, Tidbits and Observations''
{{{
http://dbi.perl.org/tidbits
http://www.symbolstone.org/technology/perl/DBI/tidbits
}}}
There are a series of occasional rambles from various people on the DBI mailing lists who, in an attempt to clear up a simple point, end up drafting fairly comprehensive documents. These are quite often varying in quality, but do provide some insights into the workings of the interfaces.
''Articles''
A list of articles discussing the DBI can be found on the DBI WWW page at:
{{{
http://dbi.perl.org/
http://www.symbolstone.org/technology/perl/DBI
}}}
These articles are of varying quality and age, from the original Perl Journal article written by Alligator and Tim, to more recent debacles published online from about.com.
README files
The README files included with each driver occasionally contains some useful information ( no, really! ) that may be pertinent to the user. Please read them. It makes our worthless existences more bearable. These can all be read from the main DBI WWW page at:
{{{
http://dbi.perl.org/
http://www.symbolstone.org/technology/perl/DBI
}}}
''Mailing List Archives''
//US Mailing List Archives//
{{{
http://outside.organic.com/mail-archives/dbi-users/
}}}
Searchable hypermail archives of the three mailing lists, and some of the much older traffic have been set up for users to browse.
//European Mailing List Archives//
{{{
http://www.rosat.mpe-garching.mpg.de/mailing-lists/PerlDB-Interest
}}}
As per the US archive above.
</pre>
</div>
<div title="DBI Mailing Lists" modifier="TimBunce" modified="200707181157" created="200707171127" changecount="8">
<pre>There are three DBI mailing lists:
![[dbi-announce@perl.org|http://lists.cpan.org/showlist.cgi?name=dbi-announce]]
This is a very low traffic list (typically well under one email per week) just for announcements of new releases and significant issues. All DBI users should be subscribed to it.
![[dbi-users@perl.org|http://lists.cpan.org/showlist.cgi?name=dbi-users]]
This mailing list is the heart of the DBI user community. There are typically over two thousand users subscribed, ranging from novices to experienced users and driver developers. Typically there are just a few messages each day. Messages are on-topic and the list is widely regarded as being of very high quality. It's a great way to learn about the DBI and, as you learn from the list and your own experience, you can help others along their path.
This is the place to ask for help [[smartly|http://www.catb.org/~esr/faqs/smart-questions.html]].
![[dbi-dev@perl.org|http://lists.cpan.org/showlist.cgi?name=dbi-dev]]
This list is for developers who work on the source code of the DBI and drivers. Questions about installation issues or usage of the DBI or drivers should be posted to dbi-users, //not// here. </pre>
</div>
<div title="Database Drivers" modifier="RobertHicks" modified="200707172218" created="200706232149" changecount="10">
<pre>!Here's a list of drivers for the DBI
Names not in bold don't have any entries in this FAQ yet - perhaps you could add some. (Just click on a link and a new entry 'tiddler' will appear. Click edit and enter your experience. See [[Edit This FAQ]] for how to share your experience with others.)
For more information about a driver see http://search.cpan.org
If that doesn't shed enough light on your question then see [[Get More Help]].
[[DBD::Adabas]]
[[DBD::ADO]]
[[DBD::Amazon]]
[[DBD::AnyData]]
[[DBD::ASAny]]
[[DBD::Chart]]
[[DBD::CSV]]
[[DBD::DB2]]
[[DBD::DBMaker]]
[[DBD::DBM]]
[[DBD::EmpressNet]]
[[DBD::Empress]]
[[DBD::ExampleP]]
[[DBD::Excel]]
[[DBD::File]]
[[DBD::Fulcrum]]
[[DBD::Gofer]]
[[DBD::Google]]
[[DBD::Illustra]]
[[DBD::Informix4]]
[[DBD::Informix]]
[[DBD::Ingres]]
[[DBD::InterBase]]
[[DBD::iPod]]
[[DBD::JDBC]]
[[DBD::LDAP]]
[[DBD::Log]]
[[DBD::MaxDB]]
[[DBD::Mimer]]
[[DBD::Mock]]
[[DBD::monetdb]]
[[DBD::mSQL]]
[[DBD::Multiplex]]
[[DBD::Multi]]
[[DBD::mysqlPP]]
[[DBD::mysql]]
[[DBD::NullP]]
[[DBD::ODBC]]
[[DBD::Oracle]]
[[DBD::Ovrimos]]
[[DBD::PgLite]]
[[DBD::PgPP]]
[[DBD::PgSPI]]
[[DBD::Pg]]
[[DBD::pNET]]
[[DBD::PrimeBase]]
[[DBD::Proxy]]
[[DBD::QBase]]
[[DBD::RAM]]
[[DBD::RDFStore]]
[[DBD::Recall]]
[[DBD::Redbase]]
[[DBD::Salesforce]]
[[DBD::SearchServer]]
[[DBD::Solid]]
[[DBD::Sponge]]
[[DBD::Sprite]]
[[DBD::Sqlflex]]
[[DBD::SQLite2]]
[[DBD::SQLite]]
[[DBD::Sybase]]
[[DBD::TemplateSS]]
[[DBD::Template]]
[[DBD::Teradata]]
[[DBD::TimesTen]]
[[DBD::TSM]]
[[DBD::Unify]]
[[DBD::WMI]]
[[DBD::WTSprite]]
[[DBD::XBase]]
[[DBD::Yaswi]]
If you want to implement your own driver [[Implementing a Driver]] should help you out.
</pre>
</div>
<div title="DefaultTiddlers" modifier="TimBunce" modified="200706232130" created="200706221222" changecount="2">
<pre>[[Welcome to the DBI FAQ]]</pre>
</div>
<div title="Editing This FAQ" modifier="TimBunce" modified="200707181202" created="200706232129" changecount="1">
<pre>You're welcome to edit this FAQ to add your own notes. It uses [[TiddlyWiki|http://www.tiddlywiki.com/]] so the FAQ runs in your browser using ~JavaScript.
Before your first edit, click on 'options>' on the right and give yourself a username that'll be used to sign your edits.
To edit an entry (known as a 'tiddler') just click the 'edit' button to the right of the title, make your changes, then click on 'done'. Simple.
For help with formatting see http://tiddlyspot.com/twhelp/ especially the Formatting Tiddlers section, and http://nothickmanuals.info/doku.php/cheatsheets.
To create new entries it's best to edit an existing one first, to add in a link to your about-to-be-created entry. Click on 'done' and then click on your new link. Please take a moment to think about good names for new entries and good places to link from.
Your changes only alter the local copy of the FAQ document in the memory of your web browser. To save your changes you need to either upload it (see below) or save the page to a local file (use 'Save As' in your browsers File menu, and make sure the file has a .html extension).
To share your DBI knowledge, and avoid your changes getting out of sync, you'll need to upload your modified FAQ. We're not giving out the direct upload password widely for now because there's little revision control and there's a risk of concurrent edits being lost. So, after making your changes, just "Save As" this document to a file and send it to RobertHicks or myself TimBunce.
See also [[Welcome to Tiddlyspot]] and GettingStarted
</pre>
</div>
<div title="Get More Help" modifier="TimBunce" modified="200707171108" created="200707171106" changecount="2">
<pre>The [[DBI Home Page|http://dbi.perl.org]] offers a general overview of DBI related information, the [[Perl Monks|http://perlmonks.org]] web site is a great place to learn more about perl and perl modules like DBI, but the [[DBI Mailing Lists]] are the primary source of help for specific problems with the DBI or drivers.
Wherever you go to ask for more help, be sure to ask [[Smart Questions|http://www.catb.org/~esr/faqs/smart-questions.html]].</pre>
</div>
<div title="GettingStarted" modifier="RobertHicks" created="200706211226" changecount="1">
<pre>To get started with this blank TiddlyWiki, you'll need to modify the following tiddlers:
* SiteTitle & SiteSubtitle: The title and subtitle of the site, as shown above (after saving, they will also appear in the browser title bar)
* MainMenu: The menu (usually on the left)
* DefaultTiddlers: Contains the names of the tiddlers that you want to appear when the TiddlyWiki is opened
You'll also need to enter your username for signing your edits: <<option txtUserName>></pre>
</div>
<div title="How does one CONNECT to Oracle with DBD::Oracle?" modifier="RobertHicks" modified="200707172222" created="200706221217" changecount="5">
<pre>Look at these example code pieces. In this example, ORCL is the database connect descriptor.
{{{
use strict;
use DBI;
my $dbh = DBI->connect( 'dbi:Oracle:orcl','scott','tiger',)
|| die "Database connection not made: $DBI::errstr";
$dbh->disconnect;
}}}
... or with additional connect options:
{{{
use strict;
use DBI;
my $dbh = DBI->connect( 'dbi:Oracle:orcl','scott','tiger',
{
RaiseError => 1,
AutoCommit => 0
}
) || die "Database connection not made: $DBI::errstr";
$dbh->disconnect;
}}}
This example connects to two databases simultaneously:
{{{
my $dbh1 = DBI->connect( "dbi:Oracle:ORCL1", "scott", "tiger" )
or die "Can't connect to 1st Oracle database: $DBI::errstr\n";
my $dbh2 = DBI->connect( "dbi:Oracle:ORCL2", "scott", "tiger" )
or die "Can't connect to 2nd Oracle database: $DBI::errstr\n";
$dbh1->disconnect or warn "DB1 disconnection failed: $DBI::errstr\n";
$dbh2->disconnect or warn "DB2 disconnection failed: $DBI::errstr\n";
}}}</pre>
</div>
<div title="Implementing a Driver" modifier="RobertHicks" modified="200707182139" created="200707172217" changecount="8">
<pre> Some wisdom of this dark art has been distilled into: [[ DBD Driver Voodoo|http://search.cpan.org/perldoc?DBI::DBD]]</pre>
</div>
<div title="Install DBI from CPAN" modifier="TimBunce" modified="200707171143" created="200706281232" changecount="4">
<pre>If you are installing DBI on a UNIX like system you can do the following to install the DBI module:
{{{
perl -MCPAN -e install DBI
}}}
Or from within the cpan shell started with "perl -MCPAN -e shell" or "cpan" ^^[1]^^:
{{{
cpan> install DBI
}}}
^^[1]^^ Starting with the 5.8 series, Perl installs a "cpan" command so you don't have to use the "perl -MCPAN -e shell" command.</pre>
</div>
<div title="Install DBI from Source" modifier="TimBunce" modified="200707171139" created="200706281258" changecount="6">
<pre>The DBI source code can be downloaded as a gzipped tar file from [[search.cpan.org|http://search.cpan.org/~timb/DBI]]
Once you have downloaded the 'tar ball' then the typical command sequence on unix-like systems would be:
{{{
tar xfz DBI-1.XX.tar.gz
cd DBI-1.XX
perl Makefile.PL
make
make test
make install
}}}
Then delete the source directory tree since it's no longer needed.
If you're using Windows then you probably want to [[Install DBI using PPM]] instead.</pre>
</div>
<div title="Install DBI from Subversion" modifier="TimBunce" modified="200707181212" created="200706281251" changecount="6">
<pre>The DBI source code is maintained using Subversion (see http://subversion.tigris.org/). To access the source you'll need to install a Subversion client. Then, to get the source code, do:
{{{
svn checkout http://svn.perl.org/modules/dbi/trunk
}}}
If it prompts for a //username// and //password// use your perl.org account if you have one, else just 'guest' and 'guest'. The source code will be in a new subdirectory called trunk.
@@TODO: describe how to install from the source@@
To keep informed about changes to the source you can send an empty email to @@svn-commit-modules-dbi-subscribe@perl.org@@ after which you'll get an email with the change log message and diff of each change checked-in to the source.
Since you've installed using Subversion then you're probably interested in [[Patching the Source]].</pre>