298 lines
20 KiB
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298 lines
20 KiB
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<meta name="abstract" content="The precompiler determines the base SQLTYPE and SQLLEN of host variables based on this table. If a host variable appears with an indicator variable, the SQLTYPE is the base SQLTYPE plus one." />
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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">Determine equivalent SQL and COBOL data types</h1>
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<div><p>The precompiler determines the base SQLTYPE and SQLLEN of host
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variables based on this table. If a host variable appears with an indicator
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variable, the SQLTYPE is the base SQLTYPE plus one.</p>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" width="100%" frame="hsides" border="1" rules="all"><caption>Table 1. COBOL declarations mapped to typical
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SQL data types</caption><thead align="left"><tr><th align="left" valign="bottom" width="35.38175046554935%" id="d0e41">COBOL data type</th>
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<th align="left" valign="bottom" width="21.601489757914337%" id="d0e43">SQLTYPE of host variable</th>
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<th align="left" valign="bottom" width="21.415270018621975%" id="d0e45">SQLLEN of host variable</th>
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<th align="left" valign="bottom" width="21.601489757914337%" id="d0e47">SQL data type</th>
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</tr>
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</thead>
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<tbody><tr><td align="left" valign="top" width="35.38175046554935%" headers="d0e41 ">S9(i)V9(d) COMP-3 or S9(i)V9(d) COMP or S9(i)V9(d)
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PACKED-DECIMAL</td>
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<td align="left" valign="top" width="21.601489757914337%" headers="d0e43 ">484</td>
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<td align="left" valign="top" width="21.415270018621975%" headers="d0e45 ">i+d in byte 1, d in byte 2</td>
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<td align="left" valign="top" width="21.601489757914337%" headers="d0e47 ">DECIMAL(i+d,d)</td>
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</tr>
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<tr><td align="left" valign="top" width="35.38175046554935%" headers="d0e41 ">S9(i)V9(d) DISPLAY SIGN LEADING SEPARATE</td>
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<td align="left" valign="top" width="21.601489757914337%" headers="d0e43 ">504</td>
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<td align="left" valign="top" width="21.415270018621975%" headers="d0e45 ">i+d in byte 1, d in byte 2</td>
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<td align="left" valign="top" width="21.601489757914337%" headers="d0e47 ">No exact equivalent use DECIMAL(i+d,d) or
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NUMERIC (i+d,d)</td>
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</tr>
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<tr><td align="left" valign="top" width="35.38175046554935%" headers="d0e41 ">S9(i)V9(d)DISPLAY</td>
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<td align="left" valign="top" width="21.601489757914337%" headers="d0e43 ">488</td>
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<td align="left" valign="top" width="21.415270018621975%" headers="d0e45 ">i+d in byte 1, d in byte 2</td>
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<td align="left" valign="top" width="21.601489757914337%" headers="d0e47 ">NUMERIC(i+d,d)</td>
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</tr>
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<tr><td align="left" valign="top" width="35.38175046554935%" headers="d0e41 ">S9(i) BINARY or S9(i) COMP-4 where i is from
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1 to 4</td>
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<td align="left" valign="top" width="21.601489757914337%" headers="d0e43 ">500</td>
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<td align="left" valign="top" width="21.415270018621975%" headers="d0e45 ">2</td>
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<td align="left" valign="top" width="21.601489757914337%" headers="d0e47 ">SMALLINT</td>
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</tr>
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<tr><td align="left" valign="top" width="35.38175046554935%" headers="d0e41 ">S9(i) BINARY or S9(i) COMP-4 where i is from
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5 to 9</td>
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<td align="left" valign="top" width="21.601489757914337%" headers="d0e43 ">496</td>
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<td align="left" valign="top" width="21.415270018621975%" headers="d0e45 ">4</td>
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<td align="left" valign="top" width="21.601489757914337%" headers="d0e47 ">INTEGER</td>
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</tr>
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<tr><td align="left" valign="top" width="35.38175046554935%" headers="d0e41 ">S9(i) BINARY or S9(i) COMP-4 where i is from
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10 to 18. <p></p>
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Not supported for COBOL for <span class="keyword">iSeries™</span>.</td>
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<td align="left" valign="top" width="21.601489757914337%" headers="d0e43 ">492</td>
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<td align="left" valign="top" width="21.415270018621975%" headers="d0e45 ">8</td>
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<td align="left" valign="top" width="21.601489757914337%" headers="d0e47 ">BIGINT</td>
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</tr>
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<tr><td align="left" valign="top" width="35.38175046554935%" headers="d0e41 ">S9(i)V9(d) BINARY or S9(i)V9(d) COMP-4 where
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i+d ≤ 4</td>
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<td align="left" valign="top" width="21.601489757914337%" headers="d0e43 ">500</td>
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<td align="left" valign="top" width="21.415270018621975%" headers="d0e45 ">i+d in byte 1, d in byte 2</td>
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<td align="left" valign="top" width="21.601489757914337%" headers="d0e47 ">No exact equivalent use DECIMAL(i+d,d) or
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NUMERIC (i+d,d)</td>
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</tr>
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<tr><td align="left" valign="top" width="35.38175046554935%" headers="d0e41 ">S9(i)V9(d) BINARY or S9(i)V9(d) COMP-4 where
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4 < i+d ≤ 9</td>
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<td align="left" valign="top" width="21.601489757914337%" headers="d0e43 ">496</td>
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<td align="left" valign="top" width="21.415270018621975%" headers="d0e45 ">i+d in byte 1, d in byte 2</td>
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<td align="left" valign="top" width="21.601489757914337%" headers="d0e47 ">No exact equivalent use DECIMAL(i+d,d) or
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NUMERIC (i+d,d)</td>
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</tr>
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<tr><td align="left" valign="top" width="35.38175046554935%" headers="d0e41 ">COMP-1 <p></p>
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Not supported for COBOL
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for <span class="keyword">iSeries</span>.</td>
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<td align="left" valign="top" width="21.601489757914337%" headers="d0e43 ">480</td>
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<td align="left" valign="top" width="21.415270018621975%" headers="d0e45 ">4</td>
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<td align="left" valign="top" width="21.601489757914337%" headers="d0e47 ">FLOAT(single precision)</td>
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</tr>
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<tr><td align="left" valign="top" width="35.38175046554935%" headers="d0e41 ">COMP-2 <p></p>
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Not supported for COBOL
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for <span class="keyword">iSeries</span>.</td>
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<td align="left" valign="top" width="21.601489757914337%" headers="d0e43 ">480</td>
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<td align="left" valign="top" width="21.415270018621975%" headers="d0e45 ">8</td>
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<td align="left" valign="top" width="21.601489757914337%" headers="d0e47 ">FLOAT(double precision)</td>
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</tr>
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<tr><td align="left" valign="top" width="35.38175046554935%" headers="d0e41 ">Fixed-length character data</td>
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<td align="left" valign="top" width="21.601489757914337%" headers="d0e43 ">452</td>
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<td align="left" valign="top" width="21.415270018621975%" headers="d0e45 ">m</td>
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<td align="left" valign="top" width="21.601489757914337%" headers="d0e47 ">CHAR(m)</td>
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</tr>
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<tr><td align="left" valign="top" width="35.38175046554935%" headers="d0e41 ">Varying-length character data</td>
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<td align="left" valign="top" width="21.601489757914337%" headers="d0e43 ">448</td>
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<td align="left" valign="top" width="21.415270018621975%" headers="d0e45 ">m</td>
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<td align="left" valign="top" width="21.601489757914337%" headers="d0e47 ">VARCHAR(m)</td>
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</tr>
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<tr><td align="left" valign="top" width="35.38175046554935%" headers="d0e41 ">Fixed-length graphic data <p></p>
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Not
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supported for COBOL for <span class="keyword">iSeries</span>.</td>
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<td align="left" valign="top" width="21.601489757914337%" headers="d0e43 ">468</td>
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<td align="left" valign="top" width="21.415270018621975%" headers="d0e45 ">m</td>
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<td align="left" valign="top" width="21.601489757914337%" headers="d0e47 ">GRAPHIC(m)</td>
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</tr>
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<tr><td align="left" valign="top" width="35.38175046554935%" headers="d0e41 ">Varying-length graphic data <p></p>
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Not
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supported for COBOL for <span class="keyword">iSeries</span>.</td>
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<td align="left" valign="top" width="21.601489757914337%" headers="d0e43 ">464</td>
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<td align="left" valign="top" width="21.415270018621975%" headers="d0e45 ">m</td>
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<td align="left" valign="top" width="21.601489757914337%" headers="d0e47 ">VARGRAPHIC(m)</td>
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</tr>
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<tr><td align="left" valign="top" width="35.38175046554935%" headers="d0e41 ">DATE <p></p>
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Not supported for COBOL
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for <span class="keyword">iSeries</span>.</td>
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<td align="left" valign="top" width="21.601489757914337%" headers="d0e43 ">384</td>
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<td align="left" valign="top" width="21.415270018621975%" headers="d0e45 "> </td>
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<td align="left" valign="top" width="21.601489757914337%" headers="d0e47 ">DATE</td>
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</tr>
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<tr><td align="left" valign="top" width="35.38175046554935%" headers="d0e41 ">TIME <p></p>
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Not supported for COBOL
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for <span class="keyword">iSeries</span>.</td>
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<td align="left" valign="top" width="21.601489757914337%" headers="d0e43 ">388</td>
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<td align="left" valign="top" width="21.415270018621975%" headers="d0e45 "> </td>
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<td align="left" valign="top" width="21.601489757914337%" headers="d0e47 ">TIME</td>
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</tr>
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<tr><td align="left" valign="top" width="35.38175046554935%" headers="d0e41 ">TIMESTAMP <p></p>
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Not supported for
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COBOL for <span class="keyword">iSeries</span>.</td>
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<td align="left" valign="top" width="21.601489757914337%" headers="d0e43 ">392</td>
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<td align="left" valign="top" width="21.415270018621975%" headers="d0e45 ">26</td>
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<td align="left" valign="top" width="21.601489757914337%" headers="d0e47 ">TIMESTAMP</td>
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</tr>
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</tbody>
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</table>
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</div>
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<div class="section"><p>The following table can be used to determine the COBOL data type
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that is equivalent to a given SQL data type.</p>
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</div>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" width="100%" frame="hsides" border="1" rules="all"><caption>Table 2. SQL data types mapped to typical
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COBOL declarations</caption><thead align="left"><tr><th align="left" valign="bottom" width="29.236499068901306%" id="d0e261">SQL data type</th>
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<th align="left" valign="bottom" width="35.940409683426445%" id="d0e263">COBOL data type</th>
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<th align="left" valign="bottom" width="34.82309124767225%" id="d0e265">Notes</th>
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</tr>
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</thead>
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<tbody><tr><td align="left" valign="top" width="29.236499068901306%" headers="d0e261 ">SMALLINT</td>
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<td align="left" valign="top" width="35.940409683426445%" headers="d0e263 ">S9(m) COMP-4</td>
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<td align="left" valign="top" width="34.82309124767225%" headers="d0e265 ">m is from 1 to 4</td>
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</tr>
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<tr><td align="left" valign="top" width="29.236499068901306%" headers="d0e261 ">INTEGER</td>
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<td align="left" valign="top" width="35.940409683426445%" headers="d0e263 ">S9(m) COMP-4</td>
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<td align="left" valign="top" width="34.82309124767225%" headers="d0e265 ">m is from 5 to 9</td>
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</tr>
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<tr><td align="left" valign="top" width="29.236499068901306%" headers="d0e261 ">BIGINT</td>
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<td align="left" valign="top" width="35.940409683426445%" headers="d0e263 ">S9(m) COMP-4 for ILE COBOL for <span class="keyword">iSeries</span>. <p></p>
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Not
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supported for COBOL for <span class="keyword">iSeries</span>.</td>
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<td align="left" valign="top" width="34.82309124767225%" headers="d0e265 ">m is from 10 to 18</td>
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</tr>
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<tr><td align="left" valign="top" width="29.236499068901306%" headers="d0e261 ">DECIMAL(p,s)</td>
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<td align="left" valign="top" width="35.940409683426445%" headers="d0e263 ">If p<64: S9(p-s)V9(s) PACKED-DECIMAL or
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S9(p-s)V9(s) COMP or S9(p-s)V9(s) COMP-3 If p>63: Not supported</td>
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<td align="left" valign="top" width="34.82309124767225%" headers="d0e265 "><em>p</em> is precision; <em>s</em> is scale.
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0<=s<=p<=63. If s=0, use S9(p) or S9(p)V. If s=p, use SV9(s).</td>
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</tr>
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<tr><td align="left" valign="top" width="29.236499068901306%" headers="d0e261 ">NUMERIC(p,s)</td>
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<td align="left" valign="top" width="35.940409683426445%" headers="d0e263 ">If p<19: S9(p-s)V9(s) DISPLAY If p>18:
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Not supported</td>
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<td align="left" valign="top" width="34.82309124767225%" headers="d0e265 "><em>p</em> is precision; <em>s</em> is scale.
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0<=s<=p<=18. If s=0, use S9(p) or S9(p)V. If s=p, use SV9(s).</td>
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</tr>
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<tr><td align="left" valign="top" width="29.236499068901306%" headers="d0e261 ">FLOAT(single precision)</td>
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<td align="left" valign="top" width="35.940409683426445%" headers="d0e263 ">COMP-1 for ILE COBOL for <span class="keyword">iSeries</span>. <p></p>
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Not
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supported for COBOL for <span class="keyword">iSeries</span>.</td>
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<td align="left" valign="top" width="34.82309124767225%" headers="d0e265 "> </td>
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</tr>
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<tr><td align="left" valign="top" width="29.236499068901306%" headers="d0e261 ">FLOAT(double precision)</td>
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<td align="left" valign="top" width="35.940409683426445%" headers="d0e263 ">COMP-2 for ILE COBOL for <span class="keyword">iSeries</span>. <p></p>
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Not
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supported for COBOL for <span class="keyword">iSeries</span>.</td>
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<td align="left" valign="top" width="34.82309124767225%" headers="d0e265 "> </td>
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</tr>
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<tr><td align="left" valign="top" width="29.236499068901306%" headers="d0e261 ">CHAR(n)</td>
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<td align="left" valign="top" width="35.940409683426445%" headers="d0e263 ">Fixed-length character string</td>
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<td align="left" valign="top" width="34.82309124767225%" headers="d0e265 ">32766≥n≥1</td>
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</tr>
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<tr><td align="left" valign="top" width="29.236499068901306%" headers="d0e261 ">VARCHAR(n)</td>
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<td align="left" valign="top" width="35.940409683426445%" headers="d0e263 ">Varying-length character string</td>
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<td align="left" valign="top" width="34.82309124767225%" headers="d0e265 ">32740≥n≥1</td>
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</tr>
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<tr><td align="left" valign="top" width="29.236499068901306%" headers="d0e261 ">CLOB</td>
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<td align="left" valign="top" width="35.940409683426445%" headers="d0e263 ">None</td>
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<td align="left" valign="top" width="34.82309124767225%" headers="d0e265 ">Use SQL TYPE IS to declare a CLOB for ILE
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COBOL for <span class="keyword">iSeries</span>. <p></p>
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Not
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supported for COBOL for <span class="keyword">iSeries</span>.</td>
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</tr>
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<tr><td align="left" valign="top" width="29.236499068901306%" headers="d0e261 ">GRAPHIC(n)</td>
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<td align="left" valign="top" width="35.940409683426445%" headers="d0e263 ">Fixed-length graphic string for ILE COBOL
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for <span class="keyword">iSeries</span>. <p></p>
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Not
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supported for COBOL for <span class="keyword">iSeries</span>.</td>
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<td align="left" valign="top" width="34.82309124767225%" headers="d0e265 ">16383≥n≥1</td>
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</tr>
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<tr><td align="left" valign="top" width="29.236499068901306%" headers="d0e261 ">VARGRAPHIC(n)</td>
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<td align="left" valign="top" width="35.940409683426445%" headers="d0e263 ">Varying-length graphic string for ILE COBOL
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for <span class="keyword">iSeries</span>. <p></p>
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Not
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supported for COBOL for <span class="keyword">iSeries</span>.</td>
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<td align="left" valign="top" width="34.82309124767225%" headers="d0e265 ">16370≥n≥1</td>
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</tr>
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<tr><td align="left" valign="top" width="29.236499068901306%" headers="d0e261 ">DBCLOB</td>
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<td align="left" valign="top" width="35.940409683426445%" headers="d0e263 ">None</td>
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<td align="left" valign="top" width="34.82309124767225%" headers="d0e265 ">Use SQL TYPE IS to declare a DBCLOB for ILE
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COBOL for <span class="keyword">iSeries</span>. <p></p>
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</td>
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</tr>
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<tr><td align="left" valign="top" width="29.236499068901306%" headers="d0e261 ">BINARY</td>
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<td align="left" valign="top" width="35.940409683426445%" headers="d0e263 ">None</td>
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<td align="left" valign="top" width="34.82309124767225%" headers="d0e265 ">Use SQL TYPE IS to declare a BINARY. <p></p>
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</td>
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</tr>
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<tr><td align="left" valign="top" width="29.236499068901306%" headers="d0e261 ">VARBINARY</td>
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<td align="left" valign="top" width="35.940409683426445%" headers="d0e263 ">None</td>
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<td align="left" valign="top" width="34.82309124767225%" headers="d0e265 ">Use SQL TYPE IS to declare a VARBINARY. <p></p>
|
|
</td>
|
|
</tr>
|
|
<tr><td align="left" valign="top" width="29.236499068901306%" headers="d0e261 ">BLOB</td>
|
|
<td align="left" valign="top" width="35.940409683426445%" headers="d0e263 ">None</td>
|
|
<td align="left" valign="top" width="34.82309124767225%" headers="d0e265 ">Use SQL TYPE IS to declare a BLOB. <p></p>
|
|
</td>
|
|
</tr>
|
|
<tr><td align="left" valign="top" width="29.236499068901306%" headers="d0e261 ">DATE</td>
|
|
<td align="left" valign="top" width="35.940409683426445%" headers="d0e263 ">Fixed-length character string or DATE for
|
|
ILE COBOL for <span class="keyword">iSeries</span>.</td>
|
|
<td align="left" valign="top" width="34.82309124767225%" headers="d0e265 ">If the format is *USA, *JIS, *EUR, or *ISO,
|
|
allow at least 10 characters. If the format is *YMD, *DMY, or *MDY, allow
|
|
at least 8 characters. If the format is *JUL, allow at least 6 characters.</td>
|
|
</tr>
|
|
<tr><td align="left" valign="top" width="29.236499068901306%" headers="d0e261 ">TIME</td>
|
|
<td align="left" valign="top" width="35.940409683426445%" headers="d0e263 ">Fixed-length character string or TIME for
|
|
ILE COBOL for <span class="keyword">iSeries</span>.</td>
|
|
<td align="left" valign="top" width="34.82309124767225%" headers="d0e265 ">Allow at least 6 characters; 8 to include
|
|
seconds.</td>
|
|
</tr>
|
|
<tr><td align="left" valign="top" width="29.236499068901306%" headers="d0e261 ">TIMESTAMP</td>
|
|
<td align="left" valign="top" width="35.940409683426445%" headers="d0e263 ">Fixed-length character string or TIMESTAMP
|
|
for ILE COBOL for <span class="keyword">iSeries</span>.</td>
|
|
<td align="left" valign="top" width="34.82309124767225%" headers="d0e265 ">n must be at least 19. To include microseconds
|
|
at full precision, n must be 26. If n is less than 26, truncation occurs on
|
|
the microseconds part.</td>
|
|
</tr>
|
|
<tr><td align="left" valign="top" width="29.236499068901306%" headers="d0e261 ">DATALINK</td>
|
|
<td align="left" valign="top" width="35.940409683426445%" headers="d0e263 ">Not supported</td>
|
|
<td valign="top" width="34.82309124767225%" headers="d0e265 "> </td>
|
|
</tr>
|
|
<tr><td valign="top" width="29.236499068901306%" headers="d0e261 ">ROWID</td>
|
|
<td valign="top" width="35.940409683426445%" headers="d0e263 ">None</td>
|
|
<td valign="top" width="34.82309124767225%" headers="d0e265 ">Use SQL TYPE IS to declare a ROWID.</td>
|
|
</tr>
|
|
</tbody>
|
|
</table>
|
|
</div>
|
|
</div>
|
|
<div>
|
|
<ul class="ullinks">
|
|
<li class="ulchildlink"><strong><a href="rzajpnotescobol.htm">Notes on COBOL variable declaration and usage</a></strong><br />
|
|
Any level 77 data description entry can be followed by one or more REDEFINES entries. However, the names in these entries cannot be used in SQL statements.</li>
|
|
</ul>
|
|
|
|
<div class="familylinks">
|
|
<div class="parentlink"><strong>Parent topic:</strong> <a href="rzajpcob.htm" title="This topic describes the unique application and coding requirements for embedding SQL statements in a COBOL program. Requirements for host structures and host variables are defined.">Code SQL statements in COBOL applications</a></div>
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|
</div>
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</div>
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</body>
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</html> |