ibm-information-center/dist/eclipse/plugins/i5OS.ic.rzaik_5.4.0.1/dotnetcmdbldrestrictions.htm

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<h1 class="topictitle1">iDB2CommandBuilder restrictions on pre-V5R2M0 servers</h1>
<div><p>Due to limitations in iSeries™ <span class="keyword">i5/OS™</span> releases
prior to V5R2M0, using the iDB2CommandBuilder on these servers has limited
support.</p>
<div class="section"><p>Properly specifying Select command text on the iDB2Command object
used with the iDB2CommandBuilder is key when connecting to pre-V5R2M0 servers.
Here are some recommended guidelines for creating Select statements for use
on pre-V5R2M0 servers. </p>
<ul><li>Simple statements produce the best results. For example, SELECT * FROM
MYSCHEMA.MYTABLE. </li>
<li>Fully qualify the table name with its schema. For example, MYSCHEMA.MYTABLE. </li>
<li>Selection fields are allowed, but must be specified in simple format.
Only columns specified in the query table should be used. For example, SELECT
ID, NAME, BALANCE FROM MYSCHEMA.MYTABLE. </li>
<li>Derived fields or constants in the selection criteria are discouraged.
They may produce unpredictable results. For example, SELECT ID, LENGTH(NAME),
'Name' FROM MYSCHEMA.MYTABLE.</li>
</ul>
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<div class="parentlink"><strong>Parent topic:</strong> <a href="rzaikdotnetprovider.htm" title="iSeries Access for Windows .NET provider allows .NET managed programs to access the iSeries database files using SQL.">iSeries Access for Windows .NET provider</a></div>
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