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<span style="font-family:Helvetica,Arial; font-size:12pt; color:#000000"><b>Making the Database File Smaller
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<span style="font-family:Helvetica,Arial; font-size:10pt; color:#010100">Absolute Database provides a possibility to configure many database file settings and particularly to decrease database file size.
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</b></span></span><span style="font-family:Helvetica,Arial; font-size:10pt; color:#000000"><span style="font-family:Helvetica,Arial; font-size:10pt; color:#010100">To make the database file smaller, you can:
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<table width="100%" border="0" cellpadding="0" cellspacing="0"><tr valign="top"><td width="14"></td><td width="14"><span style="font-family:Helvetica,Arial; font-size:10pt; color:#010100"></span></span></span><span style="font-family:Helvetica,Arial; font-size:10pt; color:#000000"><span style="font-family:Helvetica,Arial; font-size:10pt; color:#010100"><font face="Symbol" size="2" color="#000000">&#183;</font></span></span></td><td><span style="font-family:Helvetica,Arial; font-size:10pt; color:#010100">Adjust database pages settings
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</span></td></tr></table><table width="100%" border="0" cellpadding="0" cellspacing="0"><tr valign="top"><td width="14"></td><td width="14"><span style="font-family:Helvetica,Arial; font-size:10pt; color:#010100"><font face="Symbol" size="2" color="#000000">&#183;</font></span></td><td><span style="font-family:Helvetica,Arial; font-size:10pt; color:#010100">Compress BLOB fields
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</span></td></tr></table><table width="100%" border="0" cellpadding="0" cellspacing="0"><tr valign="top"><td width="14"></td><td width="14"><span style="font-family:Helvetica,Arial; font-size:10pt; color:#010100"><font face="Symbol" size="2" color="#000000">&#183;</font></span></td><td><span style="font-family:Helvetica,Arial; font-size:10pt; color:#010100">Decrease limit of the maximum database connections 
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</span></td></tr></table><table width="100%" border="0" cellpadding="0" cellspacing="0"><tr valign="top"><td width="14"></td><td width="14"><span style="font-family:Helvetica,Arial; font-size:10pt; color:#010100"><font face="Symbol" size="2" color="#000000">&#183;</font></span></td><td><span style="font-family:Helvetica,Arial; font-size:10pt; color:#010100">Remove empty space from the database file</span><span style="font-family:Helvetica,Arial; font-size:10pt; color:#000000"><span style="font-family:Helvetica,Arial; font-size:10pt; color:#010100"><b>
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</b></span></b></span></td></tr></table><table width="100%" border="0" cellpadding="0" cellspacing="0"><tr valign="top"><td width="14"></td><td width="14"><span style="font-family:Helvetica,Arial; font-size:10pt; color:#010100"><b></b></span></td><td></td></tr></table><span style="font-family:Helvetica,Arial; font-size:10pt; color:#010100"></span><span style="font-family:Helvetica,Arial; font-size:10pt; color:#000000"><span style="font-family:Helvetica,Arial; font-size:10pt; color:#010100"><b>
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Adjusting database pages settings
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</b></span></span><span style="font-family:Helvetica,Arial; font-size:10pt; color:#000000"><span style="font-family:Helvetica,Arial; font-size:10pt; color:#010100">Absolute Database allows you to optimize the database file size using </span></span><span style="font-family:Helvetica,Arial; font-size:10pt; color:#000000"><span style="font-family:Helvetica,Arial; font-size:10pt; color:#010100"><a href=tabsdatabase_pagesize.htm>PageSize</a></span></span><span style="font-family:Helvetica,Arial; font-size:10pt; color:#000000"><span style="font-family:Helvetica,Arial; font-size:10pt; color:#010100"> and </span></span><span style="font-family:Helvetica,Arial; font-size:10pt; color:#000000"><span style="font-family:Helvetica,Arial; font-size:10pt; color:#010100"><a href=tabsdatabase_pagecountinextent.htm>PageCountInExtent</a></span></span><span style="font-family:Helvetica,Arial; font-size:10pt; color:#000000"><span style="font-family:Helvetica,Arial; font-size:10pt; color:#010100"> settings.
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You can change these settings via </span></span><span style="font-family:Helvetica,Arial; font-size:10pt; color:#000000">Absolute Database DBManager utility (...\AbsoluteDatabase\Ultils\Bin\DBManager.exe).
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<span style="font-family:Helvetica,Arial; font-size:10pt; color:#010100">In application code, these settings could be change via properties of TABSDatabase component. 
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The admissible values range for </span></span><span style="font-family:Helvetica,Arial; font-size:10pt; color:#000000"><span style="font-family:Helvetica,Arial; font-size:10pt; color:#010100"><i>PageSize</i></span></span><span style="font-family:Helvetica,Arial; font-size:10pt; color:#000000"><span style="font-family:Helvetica,Arial; font-size:10pt; color:#010100"> is 100..65536 bytes.
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Set the lower values of </span></span><span style="font-family:Helvetica,Arial; font-size:10pt; color:#000000"><span style="font-family:Helvetica,Arial; font-size:10pt; color:#010100"><i>PageSize</i></span></span><span style="font-family:Helvetica,Arial; font-size:10pt; color:#000000"><span style="font-family:Helvetica,Arial; font-size:10pt; color:#010100"> for small databases.
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</span></span><span style="font-family:Helvetica,Arial; font-size:10pt; color:#000000"><span style="font-family:Helvetica,Arial; font-size:10pt; color:#010100"><i>PageCountInExtent</i></span></span><span style="font-family:Helvetica,Arial; font-size:10pt; color:#000000"><span style="font-family:Helvetica,Arial; font-size:10pt; color:#010100"> should be 1-4 for small databases, 4-8 for middle-size databases and 8-16 for large database files.
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Set </span></span><span style="font-family:Helvetica,Arial; font-size:10pt; color:#000000"><span style="font-family:Helvetica,Arial; font-size:10pt; color:#010100"><i>PageSize</i></span></span><span style="font-family:Helvetica,Arial; font-size:10pt; color:#000000"><span style="font-family:Helvetica,Arial; font-size:10pt; color:#010100"> and </span></span><span style="font-family:Helvetica,Arial; font-size:10pt; color:#000000"><span style="font-family:Helvetica,Arial; font-size:10pt; color:#010100"><i>PageCountInExtent </i></span></span><span style="font-family:Helvetica,Arial; font-size:10pt; color:#000000"><span style="font-family:Helvetica,Arial; font-size:10pt; color:#010100">before creating a database file, or change these values via call to the </span></span><span style="font-family:Helvetica,Arial; font-size:10pt; color:#000000"><span style="font-family:Helvetica,Arial; font-size:10pt; color:#010100"><a href=tabsdatabase_changedatabaseset.htm>ChangeDatabaseSettings</a></span></span><span style="font-family:Helvetica,Arial; font-size:10pt; color:#000000"><span style="font-family:Helvetica,Arial; font-size:10pt; color:#010100"> method of TABSDatabase component.
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</span></span><span style="font-family:Helvetica,Arial; font-size:10pt; color:#000000"><span style="font-family:Helvetica,Arial; font-size:10pt; color:#010100"><b>Compressing BLOB fields</b></span></span><span style="font-family:Helvetica,Arial; font-size:10pt; color:#000000"><span style="font-family:Helvetica,Arial; font-size:10pt; color:#010100">
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BLOB field values could be optionally compressed (See </span></span><span style="font-family:Helvetica,Arial; font-size:10pt; color:#000000"><span style="font-family:Helvetica,Arial; font-size:10pt; color:#010100"><a href=compressedblobfields.htm>Compressed BLOB Fields</a></span></span><span style="font-family:Helvetica,Arial; font-size:10pt; color:#000000"><span style="font-family:Helvetica,Arial; font-size:10pt; color:#010100"> topic for more details).
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This is very effective measure if you have a database with large texts, bitmap images and other binary data.
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</span></span><span style="font-family:Helvetica,Arial; font-size:10pt; color:#000000"><span style="font-family:Helvetica,Arial; font-size:10pt; color:#010100"><b>Decreasing limit of the maximum database connections </b></span></span><span style="font-family:Helvetica,Arial; font-size:10pt; color:#000000"><span style="font-family:Helvetica,Arial; font-size:10pt; color:#010100">
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Another option allowing to decrease database file size is to set limit of </span></span><span style="font-family:Helvetica,Arial; font-size:10pt; color:#000000"><span style="font-family:Helvetica,Arial; font-size:10pt; color:#010100"><a href=tabsdatabase_maxconnections.htm>MaxConnections</a></span></span><span style="font-family:Helvetica,Arial; font-size:10pt; color:#000000"><span style="font-family:Helvetica,Arial; font-size:10pt; color:#010100"> to the database as low as possible before database creating or via call to the </span></span><span style="font-family:Helvetica,Arial; font-size:10pt; color:#000000"><span style="font-family:Helvetica,Arial; font-size:10pt; color:#010100"><a href=tabsdatabase_changedatabaseset.htm>ChangeDatabaseSettings</a></span></span><span style="font-family:Helvetica,Arial; font-size:10pt; color:#000000"><span style="font-family:Helvetica,Arial; font-size:10pt; color:#010100"> method of TABSDatabase component.
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</span></span><span style="font-family:Helvetica,Arial; font-size:10pt; color:#000000"><span style="font-family:Helvetica,Arial; font-size:10pt; color:#010100"><b>Removing empty space from the database file</b></span></span><span style="font-family:Helvetica,Arial; font-size:10pt; color:#000000"><span style="font-family:Helvetica,Arial; font-size:10pt; color:#010100">
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The database file consist of many data blocks or "pages". When the database data is deleted, the pages with deleted data inside the database file are marked as empty pages. When possible the empty pages are physically removed from the database file, but sometimes it couldn't be done immeditately.
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In such cases you can compact the database file via </span></span><span style="font-family:Helvetica,Arial; font-size:10pt; color:#000000">Absolute Database DBManager utility<span style="font-family:Helvetica,Arial; font-size:10pt; color:#010100">, or call to the </span></span><span style="font-family:Helvetica,Arial; font-size:10pt; color:#000000"><span style="font-family:Helvetica,Arial; font-size:10pt; color:#010100"><a href=tabsdatabase_compactdatabase.htm>CompactDatabase</a></span></span><span style="font-family:Helvetica,Arial; font-size:10pt; color:#000000"><span style="font-family:Helvetica,Arial; font-size:10pt; color:#010100"> method of TABSDatabase component. (See </span></span><span style="font-family:Helvetica,Arial; font-size:10pt; color:#000000"><span style="font-family:Helvetica,Arial; font-size:10pt; color:#010100"><a href=compactingdatabases.htm>Compacting Databases</a></span></span><span style="font-family:Helvetica,Arial; font-size:10pt; color:#000000"><span style="font-family:Helvetica,Arial; font-size:10pt; color:#010100"> topic for more details).
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