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<title>Determine equivalent SQL and PL/I data types</title>
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<h1 class="topictitle1">Determine equivalent SQL and PL/I data types</h1>
<div><p>The precompiler determines the base SQLTYPE and SQLLEN of host
variables based on the following table.</p>
<div class="section"><p>If a host variable appears with an indicator variable, the SQLTYPE
is the base SQLTYPE plus one.</p>
</div>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" width="100%" frame="hsides" border="1" rules="all"><caption>Table 1. PL/I declarations mapped to
typical SQL data types</caption><thead align="left"><tr><th align="left" valign="bottom" width="40%" id="d0e44">PL/I data type</th>
<th align="left" valign="bottom" width="20%" id="d0e46">SQLTYPE of host variable</th>
<th align="left" valign="bottom" width="20%" id="d0e48">SQLLEN of host variable</th>
<th align="left" valign="bottom" width="20%" id="d0e50">SQL data type</th>
</tr>
</thead>
<tbody><tr><td align="left" valign="top" width="40%" headers="d0e44 ">BIN FIXED(p) where p is in the range 1 to
15</td>
<td align="left" valign="top" width="20%" headers="d0e46 ">500</td>
<td align="left" valign="top" width="20%" headers="d0e48 ">2</td>
<td align="left" valign="top" width="20%" headers="d0e50 ">SMALLINT</td>
</tr>
<tr><td align="left" valign="top" width="40%" headers="d0e44 ">BIN FIXED(p) where p is in the range 16 to
31</td>
<td align="left" valign="top" width="20%" headers="d0e46 ">496</td>
<td align="left" valign="top" width="20%" headers="d0e48 ">4</td>
<td align="left" valign="top" width="20%" headers="d0e50 ">INTEGER</td>
</tr>
<tr><td align="left" valign="top" width="40%" headers="d0e44 ">DEC FIXED(p,s)</td>
<td align="left" valign="top" width="20%" headers="d0e46 ">484</td>
<td align="left" valign="top" width="20%" headers="d0e48 ">p in byte 1, s in byte 2</td>
<td align="left" valign="top" width="20%" headers="d0e50 ">DECIMAL(p,s)</td>
</tr>
<tr><td align="left" valign="top" width="40%" headers="d0e44 ">BIN FLOAT(p) p is in the range 1 to 24</td>
<td align="left" valign="top" width="20%" headers="d0e46 ">480</td>
<td align="left" valign="top" width="20%" headers="d0e48 ">4</td>
<td align="left" valign="top" width="20%" headers="d0e50 ">FLOAT (single precision)</td>
</tr>
<tr><td align="left" valign="top" width="40%" headers="d0e44 ">BIN FLOAT(p) p is in the range 25 to 53</td>
<td align="left" valign="top" width="20%" headers="d0e46 ">480</td>
<td align="left" valign="top" width="20%" headers="d0e48 ">8</td>
<td align="left" valign="top" width="20%" headers="d0e50 ">FLOAT (double precision)</td>
</tr>
<tr><td align="left" valign="top" width="40%" headers="d0e44 ">DEC FLOAT(m) m is in the range 1 to 7</td>
<td align="left" valign="top" width="20%" headers="d0e46 ">480</td>
<td align="left" valign="top" width="20%" headers="d0e48 ">4</td>
<td align="left" valign="top" width="20%" headers="d0e50 ">FLOAT (single precision)</td>
</tr>
<tr><td align="left" valign="top" width="40%" headers="d0e44 ">DEC FLOAT(m) m is in the range 8 to 16</td>
<td align="left" valign="top" width="20%" headers="d0e46 ">480</td>
<td align="left" valign="top" width="20%" headers="d0e48 ">8</td>
<td align="left" valign="top" width="20%" headers="d0e50 ">FLOAT (double precision)</td>
</tr>
<tr><td align="left" valign="top" width="40%" headers="d0e44 ">PICTURE picture string (numeric)</td>
<td align="left" valign="top" width="20%" headers="d0e46 ">488</td>
<td align="left" valign="top" width="20%" headers="d0e48 ">p in byte 1, s in byte 2</td>
<td align="left" valign="top" width="20%" headers="d0e50 ">NUMERIC (p,s)</td>
</tr>
<tr><td align="left" valign="top" width="40%" headers="d0e44 ">PICTURE picture string (sign leading separate)</td>
<td align="left" valign="top" width="20%" headers="d0e46 ">504</td>
<td align="left" valign="top" width="20%" headers="d0e48 ">p in byte 1, s in byte 2</td>
<td align="left" valign="top" width="20%" headers="d0e50 ">No exact equivalent, use NUMERIC(p,s).</td>
</tr>
<tr><td align="left" valign="top" width="40%" headers="d0e44 ">CHAR(n)</td>
<td align="left" valign="top" width="20%" headers="d0e46 ">452</td>
<td align="left" valign="top" width="20%" headers="d0e48 ">n</td>
<td align="left" valign="top" width="20%" headers="d0e50 ">CHAR(n)</td>
</tr>
<tr><td align="left" valign="top" width="40%" headers="d0e44 ">CHAR(n) VARYING </td>
<td align="left" valign="top" width="20%" headers="d0e46 ">448</td>
<td align="left" valign="top" width="20%" headers="d0e48 ">n</td>
<td align="left" valign="top" width="20%" headers="d0e50 ">VARCHAR(n)</td>
</tr>
</tbody>
</table>
</div>
<div class="section"><p>The following table can be used to determine the PL/I data type
that is equivalent to a given SQL data type.</p>
</div>
<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
PL/I declarations</caption><thead align="left"><tr><th align="left" valign="bottom" width="33.33333333333333%" id="d0e164">SQL data type</th>
<th align="left" valign="bottom" width="33.33333333333333%" id="d0e166">PL/I equivalent</th>
<th align="left" valign="bottom" width="33.33333333333333%" id="d0e168">Notes</th>
</tr>
</thead>
<tbody><tr><td align="left" valign="top" width="33.33333333333333%" headers="d0e164 ">SMALLINT</td>
<td align="left" valign="top" width="33.33333333333333%" headers="d0e166 ">BIN FIXED(p)</td>
<td align="left" valign="top" width="33.33333333333333%" headers="d0e168 ">p is a positive integer from 1 to 15.</td>
</tr>
<tr><td align="left" valign="top" width="33.33333333333333%" headers="d0e164 ">INTEGER</td>
<td align="left" valign="top" width="33.33333333333333%" headers="d0e166 ">BIN FIXED(p)</td>
<td align="left" valign="top" width="33.33333333333333%" headers="d0e168 ">p is a positive integer from 16 to 31.</td>
</tr>
<tr><td align="left" valign="top" width="33.33333333333333%" headers="d0e164 ">BIGINT</td>
<td align="left" valign="top" width="33.33333333333333%" headers="d0e166 ">No exact equivalent</td>
<td align="left" valign="top" width="33.33333333333333%" headers="d0e168 ">Use DEC FIXED(18).</td>
</tr>
<tr><td align="left" valign="top" width="33.33333333333333%" headers="d0e164 ">DECIMAL(p,s) or NUMERIC(p,s)</td>
<td align="left" valign="top" width="33.33333333333333%" headers="d0e166 ">DEC FIXED(p) or DEC FIXED(p,s) or PICTURE
picture-string</td>
<td align="left" valign="top" width="33.33333333333333%" headers="d0e168 "><em>s</em> (the scale factor) and <em>p</em> (the
precision) are positive integers. <em>p</em> is a positive integer from 1 to
31. <em>s</em> is a positive integer from 0 to <em>p</em>.</td>
</tr>
<tr><td align="left" valign="top" width="33.33333333333333%" headers="d0e164 ">FLOAT (single precision)</td>
<td align="left" valign="top" width="33.33333333333333%" headers="d0e166 ">BIN FLOAT(p) or DEC FLOAT(m)</td>
<td align="left" valign="top" width="33.33333333333333%" headers="d0e168 "><em>p</em> is a positive integer from 1 to
24. <p><em>m</em> is a positive integer from 1 to 7.</p>
</td>
</tr>
<tr><td align="left" valign="top" width="33.33333333333333%" headers="d0e164 ">FLOAT (double precision)</td>
<td align="left" valign="top" width="33.33333333333333%" headers="d0e166 ">BIN FLOAT(p) or DEC FLOAT(m)</td>
<td align="left" valign="top" width="33.33333333333333%" headers="d0e168 "><em>p</em> is a positive integer from 25 to
53. <p><em>m</em> is a positive integer from 8 to 16.</p>
</td>
</tr>
<tr><td align="left" valign="top" width="33.33333333333333%" headers="d0e164 ">CHAR(n)</td>
<td align="left" valign="top" width="33.33333333333333%" headers="d0e166 ">CHAR(n)</td>
<td align="left" valign="top" width="33.33333333333333%" headers="d0e168 "><em>n</em> is a positive integer from 1 to
32766.</td>
</tr>
<tr><td align="left" valign="top" width="33.33333333333333%" headers="d0e164 ">VARCHAR(n)</td>
<td align="left" valign="top" width="33.33333333333333%" headers="d0e166 ">CHAR(n) VARYING</td>
<td align="left" valign="top" width="33.33333333333333%" headers="d0e168 "><em>n</em> is a positive integer from 1 to
32740.</td>
</tr>
<tr><td align="left" valign="top" width="33.33333333333333%" headers="d0e164 ">CLOB</td>
<td align="left" valign="top" width="33.33333333333333%" headers="d0e166 ">None</td>
<td align="left" valign="top" width="33.33333333333333%" headers="d0e168 ">Use SQL TYPE IS to declare a CLOB.</td>
</tr>
<tr><td align="left" valign="top" width="33.33333333333333%" headers="d0e164 ">GRAPHIC(n)</td>
<td align="left" valign="top" width="33.33333333333333%" headers="d0e166 ">Not supported</td>
<td align="left" valign="top" width="33.33333333333333%" headers="d0e168 ">Not supported.</td>
</tr>
<tr><td align="left" valign="top" width="33.33333333333333%" headers="d0e164 ">VARGRAPHIC(n)</td>
<td align="left" valign="top" width="33.33333333333333%" headers="d0e166 ">Not supported</td>
<td align="left" valign="top" width="33.33333333333333%" headers="d0e168 ">Not supported.</td>
</tr>
<tr><td align="left" valign="top" width="33.33333333333333%" headers="d0e164 ">DBCLOB</td>
<td align="left" valign="top" width="33.33333333333333%" headers="d0e166 ">Not supported</td>
<td align="left" valign="top" width="33.33333333333333%" headers="d0e168 ">Not supported</td>
</tr>
<tr><td align="left" valign="top" width="33.33333333333333%" headers="d0e164 ">BINARY</td>
<td align="left" valign="top" width="33.33333333333333%" headers="d0e166 ">None</td>
<td align="left" valign="top" width="33.33333333333333%" headers="d0e168 ">Use SQL TYPE IS to declare a BINARY.</td>
</tr>
<tr><td align="left" valign="top" width="33.33333333333333%" headers="d0e164 ">VARBINARY</td>
<td align="left" valign="top" width="33.33333333333333%" headers="d0e166 ">None</td>
<td align="left" valign="top" width="33.33333333333333%" headers="d0e168 ">Use SQL TYPE IS to declare a VARBINARY.</td>
</tr>
<tr><td align="left" valign="top" width="33.33333333333333%" headers="d0e164 ">BLOB</td>
<td align="left" valign="top" width="33.33333333333333%" headers="d0e166 ">None</td>
<td align="left" valign="top" width="33.33333333333333%" headers="d0e168 ">Use SQL TYPE IS to declare a BLOB.</td>
</tr>
<tr><td align="left" valign="top" width="33.33333333333333%" headers="d0e164 ">DATE</td>
<td align="left" valign="top" width="33.33333333333333%" headers="d0e166 ">CHAR(n)</td>
<td align="left" valign="top" width="33.33333333333333%" headers="d0e168 ">If the format is *USA, *JIS, *EUR, or *ISO, <em>n</em> must
be at least 10 characters. If the format is *YMD, *DMY, or *MDY, <em>n</em> must
be at least 8 characters. If the format is *JUL, <em>n</em> must be at least
6 characters.</td>
</tr>
<tr><td align="left" valign="top" width="33.33333333333333%" headers="d0e164 ">TIME</td>
<td align="left" valign="top" width="33.33333333333333%" headers="d0e166 ">CHAR(n)</td>
<td align="left" valign="top" width="33.33333333333333%" headers="d0e168 "><em>n</em> must be at least 6; to include seconds, <em>n</em> must
be at least 8.</td>
</tr>
<tr><td align="left" valign="top" width="33.33333333333333%" headers="d0e164 ">TIMESTAMP</td>
<td align="left" valign="top" width="33.33333333333333%" headers="d0e166 ">CHAR(n)</td>
<td align="left" valign="top" width="33.33333333333333%" headers="d0e168 "><em>n</em> must be at least 19. To include
microseconds at full precision, <em>n</em> must be 26; if <em>n</em> is less than
26, truncation occurs on the microseconds part.</td>
</tr>
<tr><td align="left" valign="top" width="33.33333333333333%" headers="d0e164 ">DATALINK</td>
<td align="left" valign="top" width="33.33333333333333%" headers="d0e166 ">Not supported</td>
<td align="left" valign="top" width="33.33333333333333%" headers="d0e168 ">Not supported</td>
</tr>
<tr><td valign="top" width="33.33333333333333%" headers="d0e164 ">ROWID</td>
<td valign="top" width="33.33333333333333%" headers="d0e166 ">None</td>
<td valign="top" width="33.33333333333333%" headers="d0e168 ">Use SQL TYPE IS to declare a ROWID.</td>
</tr>
</tbody>
</table>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="rzajpplone.htm" title="This topic describes the unique application and coding requirements for embedding SQL statements in an iSeries PL/I program. Requirements for host structures and host variables are defined.">Code SQL statements in PL/I applications</a></div>
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