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<?xml version="1.0" encoding="utf-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xml:lang="en" lang="en" xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html;charset=utf-8" /> <meta http-equiv="Content-Style-Type" content="text/css" /> <!-- MOTW-DISABLED saved from url=(0014)about:internet --> <title>Using Arrays of Parameters</title> <link rel="StyleSheet" href="css/db2.css" type="text/css" media="all" /> <link rel="StyleSheet" href="css/webworks.css" type="text/css" media="all" /> <script type="text/javascript" language="JavaScript1.2" src="wwhdata/common/context.js"></script> <script type="text/javascript" language="JavaScript1.2" src="wwhdata/common/towwhdir.js"></script> <script type="text/javascript" language="JavaScript1.2" src="wwhdata/common/wwhpagef.js"></script> <script type="text/javascript" language="JavaScript1.2"> <!-- var WebWorksRootPath = ""; // --> </script> <script type="text/javascript" language="JavaScript1.2"> <!-- // Set reference to top level help frame // var WWHFrame = WWHGetWWHFrame("", true); // --> </script> <script type="text/javascript" language="JavaScript1.2" src="scripts/expand.js"></script> </head> <body class="" style="background-color: #FFFFEE;" onload="WWHUpdate();" onunload="WWHUnload();" onkeydown="WWHHandleKeyDown((document.all||document.getElementById||document.layers)?event:null);" onkeypress="WWHHandleKeyPress((document.all||document.getElementById||document.layers)?event:null);" onkeyup="WWHHandleKeyUp((document.all||document.getElementById||document.layers)?event:null);"> <br /> <div class="WebWorks_Breadcrumbs" style="text-align: left;"> <a class="WebWorks_Breadcrumb_Link" href="db2.09.01.html#107769">5 The DB2 Wire Protocol Driver</a> : Using Arrays of Parameters</div> <hr align="left" /> <blockquote> <div class="head_1"><a name="107769">Using Arrays of Parameters</a></div> <div class="Body"><a name="107770">DB2 for Linux/UNIX/Windows natively supports parameter arrays, and the DB2 Wire </a>Protocol driver, in turn, supports them when connected to these DB2 databases. When designing an application for performance, using native parameter arrays for bulk inserts or updates, for example, can improve performance. Refer to <span class="Cross_ref_"><a href="javascript:WWHClickedPopup('reference', 'design.07.1.html#106796', '');">Chapter 5 â??Designing ODBC Applications for Performance Optimizationâ??</a></span> in the <span class="Emphasis">DataDirect Connect Series </span><span class="forbody">for</span> <span class="Emphasis" style="font-size: 8.0pt;">ODBC</span><span class="Emphasis" style="font-size: 10.0pt;"> </span><span class="Emphasis" style="font-size: 10.0pt;">Reference</span><span class="Cross_ref_" style="font-size: 10pt;"> </span>for more information about using arrays of parameters to improve performance.</div> <div class="Body"><a name="493138">The DB2 Wire Protocol driver accepts a proprietary statement attribute called </a>SQL_ATTR_PARAM_ARRAY_ATOMIC. It has two values: SQL_PA_ATOMIC_YES (1) and SQL_PA_ATOMIC_NO (0).</div> <div class="Body"><a name="493140">When set to SQL_PA_ATOMIC_YES, the default, parameter array operations are atomic, </a>meaning that if one row in the parameter array fails, then the entire array must fail.</div> <div class="Body"><a name="493142">When set to SQL_PA_ATOMIC_NO, parameter array operations are not atomic, meaning </a>that the parameter array continues to be processed, even if one of the rows fails.</div> <script type="text/javascript" language="JavaScript1.2"> <!-- // Clear related topics // WWHClearRelatedTopics(); document.writeln(WWHRelatedTopicsInlineHTML()); // --> </script> </blockquote> <script type="text/javascript" language="JavaScript1.2"> <!-- document.write(WWHRelatedTopicsDivTag() + WWHPopupDivTag() + WWHALinksDivTag()); // --> </script> </body> </html>
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