158 lines
7.6 KiB
HTML
158 lines
7.6 KiB
HTML
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<meta name="DC.Title" content="Example: Use the list selection function" />
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<meta name="abstract" content="The following example shows you how to use the list function to build a SELECT statement." />
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<title>Example: Use the list selection function</title>
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</head>
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<body id="rbafylistselect1"><a name="rbafylistselect1"><!-- --></a>
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<!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
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<h1 class="topictitle1">Example: Use the list selection function</h1>
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<div><p>The following example shows you how to use the list function to
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build a SELECT statement.</p>
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<div class="section"><p>Assume you have:</p>
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</div>
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<div class="section"> <ul><li>Just entered interactive SQL by typing <samp class="codeph">STRSQL</samp> on an <span class="keyword">i5/OS™</span> command line.</li>
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<li>Made no list selections or entries.</li>
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<li>Selected *SQL for the naming convention.</li>
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</ul>
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</div>
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<div class="section"> <div class="note"><span class="notetitle">Note:</span> The example shows lists that are not on your server. They
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are used as an example only.</div>
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</div>
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<div class="section"><p>Begin using SQL statements: </p>
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</div>
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<div class="section"> <ol><li>Type <samp class="codeph">SELECT</samp> on the first statement entry line.</li>
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<li>Type <samp class="codeph">FROM</samp> on the second statement entry line.</li>
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<li>Leave the cursor positioned after <samp class="codeph">FROM</samp>. <pre class="screen"> Enter SQL Statements
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Type SQL statement, press Enter.
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===> SELECT
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FROM <strong>_</strong>
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</pre>
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</li>
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<li>Press F17=Select tables to obtain a list of tables, because you want the
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table name to follow <samp class="codeph">FROM</samp>. <p>Instead of a list of tables
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appearing as you expected, a list of collections appears (the Select and Sequence
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collections display). You have just entered the SQL session and have not selected
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a schema to work with.</p>
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</li>
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<li>Type a 1 in the <em>Seq</em> column next to YOURCOLL2 schema. <pre class="screen"> Select and Sequence Collections
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Type sequence numbers (1-999) to select collection, press Enter.
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Seq Collection Type Text
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YOURCOLL1 SYS Company benefits
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1 YOURCOLL2 SYS Employee personal data
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YOURCOLL3 SYS Job classifications/requirements
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YOURCOLL4 SYS Company insurances
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</pre>
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</li>
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<li>Press Enter. <p>The Select and Sequence Tables display appears, showing
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the tables existing in the YOURCOLL2 schema.</p>
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</li>
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<li>Type a 1 in the <em>Seq</em> column next to PEOPLE table. <pre class="screen"> Select and Sequence Tables
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Type sequence numbers (1-999) to select tables, press Enter.
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Seq Table Collection Type Text
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EMPLCO YOURCOLL2 TAB Employee company data
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1 PEOPLE YOURCOLL2 TAB Employee personal data
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EMPLEXP YOURCOLL2 TAB Employee experience
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EMPLEVL YOURCOLL2 TAB Employee evaluation reports
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EMPLBEN YOURCOLL2 TAB Employee benefits record
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EMPLMED YOURCOLL2 TAB Employee medical record
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EMPLINVST YOURCOLL2 TAB Employee investments record
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</pre>
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</li>
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<li>Press Enter. <p>The Enter SQL Statements display appears again with the
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table name, <samp class="codeph">YOURCOLL2.PEOPLE</samp>, inserted after <samp class="codeph">FROM</samp>.
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The table name is qualified by the schema name in the *SQL naming convention.</p>
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<pre class="screen"> Enter SQL Statements
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Type SQL statement, press Enter.
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===> SELECT
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FROM YOURCOLL2.PEOPLE <strong>_</strong>
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</pre>
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</li>
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<li>Position the cursor after <samp class="codeph">SELECT</samp>.</li>
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<li>Press F18=Select columns to obtain a list of columns, because you want
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the column name to follow <samp class="codeph">SELECT</samp>. <p>The Select and Sequence
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Columns display appears, showing the columns in the PEOPLE table.</p>
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</li>
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<li>Type a 2 in the <em>Seq</em> column next to the <em>NAME</em> column.</li>
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<li>Type a 1 in the <em>Seq</em> column next to the <em>SOCSEC</em> column. <pre class="screen"> Select and Sequence Columns
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Type sequence numbers (1-999) to select columns, press Enter.
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Seq Column Table Type Digits Length
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2 NAME PEOPLE CHARACTER 6
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EMPLNO PEOPLE CHARACTER 30
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1 SOCSEC PEOPLE CHARACTER 11
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STRADDR PEOPLE CHARACTER 30
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CITY PEOPLE CHARACTER 20
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ZIP PEOPLE CHARACTER 9
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PHONE PEOPLE CHARACTER 20
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</pre>
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</li>
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<li>Press Enter. <p>The Enter SQL Statements display appears again with <samp class="codeph">SOCSEC</samp>, <samp class="codeph">NAME</samp> appearing
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after <samp class="codeph">SELECT</samp>.</p>
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<pre class="screen"> Enter SQL Statements
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Type SQL statement, press Enter.
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===> SELECT SOCSEC, NAME
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FROM YOURCOLL2.PEOPLE
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</pre>
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</li>
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<li>Press Enter. <p>The statement you created is now run.</p>
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</li>
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</ol>
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</div>
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<div class="section"><p>Once you have used the list function, the values you selected
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remain in effect until you change them or until you change the list of schemas
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on the Change Session Attributes display.</p>
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</div>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="rbafyuselistselect.htm" title="The list selection function is available by pressing F4 on certain prompt displays, or F16, F17, or F18 on the Enter SQL Statements display.">Use the list selection function</a></div>
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</div>
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</div>
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</body>
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