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		<id>http://dbshelp.devio.at/index.php?action=history&amp;feed=atom&amp;title=Comparison</id>
		<title>Comparison - Revision history</title>
		<link rel="self" type="application/atom+xml" href="http://dbshelp.devio.at/index.php?action=history&amp;feed=atom&amp;title=Comparison"/>
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		<updated>2026-05-14T18:40:14Z</updated>
		<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>http://dbshelp.devio.at/index.php?title=Comparison&amp;diff=1044&amp;oldid=prev</id>
		<title>Ho at 21:28, 4 October 2009</title>
		<link rel="alternate" type="text/html" href="http://dbshelp.devio.at/index.php?title=Comparison&amp;diff=1044&amp;oldid=prev"/>
				<updated>2009-10-04T21:28:19Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 21:28, 4 October 2009&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot; &gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;=== Properties ===&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;See [[Comp-edit]]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;=== Functionality ===&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;=== Functionality ===&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;

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&lt;/table&gt;</summary>
		<author><name>Ho</name></author>	</entry>

	<entry>
		<id>http://dbshelp.devio.at/index.php?title=Comparison&amp;diff=1043&amp;oldid=prev</id>
		<title>Ho: New page: === Functionality ===  Within a Project, a Comparison encapsulates the following functionality:  * Select two Project Versions (schema versions) to compare  * Selec...</title>
		<link rel="alternate" type="text/html" href="http://dbshelp.devio.at/index.php?title=Comparison&amp;diff=1043&amp;oldid=prev"/>
				<updated>2009-10-04T21:27:47Z</updated>
		
		<summary type="html">&lt;p&gt;New page: === Functionality ===  Within a &lt;a href=&quot;/index.php/Project&quot; title=&quot;Project&quot;&gt;Project&lt;/a&gt;, a Comparison encapsulates the following functionality:  * Select two &lt;a href=&quot;/index.php/Project_Version&quot; title=&quot;Project Version&quot;&gt;Project Versions&lt;/a&gt; (schema versions) to compare  * Selec...&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;=== Functionality ===&lt;br /&gt;
&lt;br /&gt;
Within a [[Project]], a Comparison encapsulates the following functionality:&lt;br /&gt;
&lt;br /&gt;
* Select two [[Project Version|Project Versions]] (schema versions) to compare&lt;br /&gt;
&lt;br /&gt;
* Select comparison options ([[Object Selection]], [[Comparison Scope]])&lt;br /&gt;
&lt;br /&gt;
* Perform the comparison&lt;br /&gt;
&lt;br /&gt;
* Display the differences between the two versions as a result of the comparison&lt;br /&gt;
&lt;br /&gt;
* Select object changes to be scripted (as CREATE, ALTER, DROP statements)&lt;br /&gt;
&lt;br /&gt;
* Generate the change script&lt;br /&gt;
&lt;br /&gt;
=== Terminology ===&lt;br /&gt;
&lt;br /&gt;
'''Reference Version'''&lt;br /&gt;
&lt;br /&gt;
The Project Version containing the target schema information (target version) to be upgraded to.&lt;br /&gt;
&lt;br /&gt;
'''Difference Version'''&lt;br /&gt;
&lt;br /&gt;
The Project Version containing the schema information (source version) to be upgraded from.&lt;br /&gt;
&lt;br /&gt;
Typically, the Reference Version is taken from a development database, whereas the difference version is taken from a production database or a previous version of the development database.&lt;/div&gt;</summary>
		<author><name>Ho</name></author>	</entry>

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