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doc-exports/docs/dws/tool/dws_16_0115.html
luhuayi a5e3903f6b DWS TG 910.211 version 
Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com>
Co-authored-by: luhuayi <luhuayi@huawei.com>
Co-committed-by: luhuayi <luhuayi@huawei.com>
2025-04-23 13:53:01 +00:00

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<a name="EN-US_TOPIC_0000001860318453"></a><a name="EN-US_TOPIC_0000001860318453"></a>
<h1 class="topictitle1">Binary Types</h1>
<div id="body8662426"><div class="section" id="EN-US_TOPIC_0000001860318453__en-us_topic_0000001433828421_section13891170102716"><h4 class="sectiontitle">Overview</h4><ul id="EN-US_TOPIC_0000001860318453__en-us_topic_0000001433828421_en-us_topic_0214164579_ul20144128162512"><li id="EN-US_TOPIC_0000001860318453__en-us_topic_0000001433828421_en-us_topic_0214164579_li31449812517">In MySQL, the BIT data type is used to store bit values, ranging from 1 to 64.</li><li id="EN-US_TOPIC_0000001860318453__en-us_topic_0000001433828421_en-us_topic_0214164579_li275535610267">MySQL BINARY and VARBINARY types are similar to CHAR and VARCHAR, except that they contain binary strings rather than non-binary strings.</li></ul>
</div>
<div class="section" id="EN-US_TOPIC_0000001860318453__en-us_topic_0000001433828421_section115051213142716"><h4 class="sectiontitle">Type Mapping</h4>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="EN-US_TOPIC_0000001860318453__en-us_topic_0000001433828421_en-us_topic_0214164624_table8357194922719" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Binary type mapping</caption><thead align="left"><tr id="EN-US_TOPIC_0000001860318453__en-us_topic_0000001433828421_en-us_topic_0214164624_row203574498277"><th align="left" class="cellrowborder" valign="top" width="33.33333333333333%" id="mcps1.3.2.2.2.4.1.1"><p id="EN-US_TOPIC_0000001860318453__en-us_topic_0000001433828421_en-us_topic_0214164624_p11357049102713">MySQL Binary Type</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="33.33333333333333%" id="mcps1.3.2.2.2.4.1.2"><p id="EN-US_TOPIC_0000001860318453__en-us_topic_0000001433828421_en-us_topic_0214164624_p1835718492278">MySQL INPUT</p>
</th>
<th align="left" class="cellrowborder" valign="top" width="33.33333333333333%" id="mcps1.3.2.2.2.4.1.3"><p id="EN-US_TOPIC_0000001860318453__en-us_topic_0000001433828421_en-us_topic_0214164624_p535794918273">GaussDB(DWS) OUTPUT</p>
</th>
</tr>
</thead>
<tbody><tr id="EN-US_TOPIC_0000001860318453__en-us_topic_0000001433828421_en-us_topic_0214164624_row5357104942717"><td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001860318453__en-us_topic_0000001433828421_en-us_topic_0214164624_p635754962710">BIT[(M)]</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001860318453__en-us_topic_0000001433828421_en-us_topic_0214164624_p9357104962712">BIT[(M)]</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001860318453__en-us_topic_0000001433828421_en-us_topic_0214164624_p035754932711">BIT[(M)]</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001860318453__en-us_topic_0000001433828421_en-us_topic_0214164624_row173575497272"><td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001860318453__en-us_topic_0000001433828421_en-us_topic_0214164624_p53589496271">BINARY[(M)]</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001860318453__en-us_topic_0000001433828421_en-us_topic_0214164624_p135811498275">BINARY[(M)]</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001860318453__en-us_topic_0000001433828421_en-us_topic_0214164624_p1335884913278">BYTEA</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001860318453__en-us_topic_0000001433828421_row2052122615442"><td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001860318453__en-us_topic_0000001433828421_p155392615449">CHAR BYTE[(M)]</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001860318453__en-us_topic_0000001433828421_p1453162654420">BINARY[(M)]</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001860318453__en-us_topic_0000001433828421_p1753426144415">BYTEA</p>
</td>
</tr>
<tr id="EN-US_TOPIC_0000001860318453__en-us_topic_0000001433828421_en-us_topic_0214164624_row14358349102720"><td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.2.4.1.1 "><p id="EN-US_TOPIC_0000001860318453__en-us_topic_0000001433828421_en-us_topic_0214164624_p9358134902713">VARBINARY[(M)]</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.2.4.1.2 "><p id="EN-US_TOPIC_0000001860318453__en-us_topic_0000001433828421_en-us_topic_0214164624_p435811497274">VARBINARY[(M)]</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.2.4.1.3 "><p id="EN-US_TOPIC_0000001860318453__en-us_topic_0000001433828421_en-us_topic_0214164624_p14358049172711">BYTEA</p>
</td>
</tr>
</tbody>
</table>
</div>
<p id="EN-US_TOPIC_0000001860318453__en-us_topic_0000001433828421_en-us_topic_0214164624_p98581946183019"><strong id="EN-US_TOPIC_0000001860318453__en-us_topic_0000001433828421_b6767443303213">Input: BIT</strong></p>
<div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001860318453__en-us_topic_0000001433828421_en-us_topic_0214164624_screen38077112319"><div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span class="normal">1</span>
<span class="normal">2</span>
<span class="normal">3</span>
<span class="normal">4</span>
<span class="normal">5</span></pre></div></td><td class="code"><div><pre><span></span><span class="k">CREATE</span><span class="w"> </span><span class="k">TABLE</span><span class="w"> </span><span class="k">IF</span><span class="w"> </span><span class="k">NOT</span><span class="w"> </span><span class="k">EXISTS</span><span class="w"> </span><span class="o">`</span><span class="n">runoob_dataType_test</span><span class="o">`</span><span class="p">(</span>
<span class="w"> </span><span class="o">`</span><span class="n">dataType_1</span><span class="o">`</span><span class="w"> </span><span class="nb">INT</span><span class="p">,</span>
<span class="w"> </span><span class="o">`</span><span class="n">dataType_2</span><span class="o">`</span><span class="w"> </span><span class="nb">BIT</span><span class="p">(</span><span class="mi">1</span><span class="p">),</span>
<span class="w"> </span><span class="o">`</span><span class="n">dataType_3</span><span class="o">`</span><span class="w"> </span><span class="nb">BIT</span><span class="p">(</span><span class="mi">64</span><span class="p">)</span>
<span class="p">);</span>
</pre></div></td></tr></table></div>
</div>
<p id="EN-US_TOPIC_0000001860318453__en-us_topic_0000001433828421_en-us_topic_0214164624_p15847111219315"><strong id="EN-US_TOPIC_0000001860318453__en-us_topic_0000001433828421_en-us_topic_0214164624_b43211321123111">Output</strong></p>
<div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001860318453__en-us_topic_0000001433828421_en-us_topic_0214164624_screen1040352415318"><div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span class="normal">1</span>
<span class="normal">2</span>
<span class="normal">3</span>
<span class="normal">4</span>
<span class="normal">5</span>
<span class="normal">6</span>
<span class="normal">7</span>
<span class="normal">8</span>
<span class="normal">9</span></pre></div></td><td class="code"><div><pre><span></span><span class="k">CREATE</span><span class="w"> </span><span class="k">TABLE</span><span class="w"> </span><span class="k">IF</span><span class="w"> </span><span class="k">NOT</span><span class="w"> </span><span class="k">EXISTS</span><span class="w"> </span><span class="ss">&quot;public&quot;</span><span class="p">.</span><span class="ss">&quot;runoob_datatype_test&quot;</span>
<span class="p">(</span>
<span class="w"> </span><span class="ss">&quot;datatype_1&quot;</span><span class="w"> </span><span class="nb">INTEGER</span><span class="p">,</span>
<span class="w"> </span><span class="ss">&quot;datatype_2&quot;</span><span class="w"> </span><span class="nb">BIT</span><span class="p">(</span><span class="mi">1</span><span class="p">),</span>
<span class="w"> </span><span class="ss">&quot;datatype_3&quot;</span><span class="w"> </span><span class="nb">BIT</span><span class="p">(</span><span class="mi">64</span><span class="p">)</span>
<span class="p">)</span>
<span class="w"> </span><span class="k">WITH</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="n">ORIENTATION</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="k">ROW</span><span class="p">,</span><span class="w"> </span><span class="n">COMPRESSION</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="k">NO</span><span class="w"> </span><span class="p">)</span>
<span class="w"> </span><span class="n">NOCOMPRESS</span>
<span class="w"> </span><span class="n">DISTRIBUTE</span><span class="w"> </span><span class="k">BY</span><span class="w"> </span><span class="n">HASH</span><span class="w"> </span><span class="p">(</span><span class="ss">&quot;datatype_1&quot;</span><span class="p">);</span>
</pre></div></td></tr></table></div>
</div>
<p id="EN-US_TOPIC_0000001860318453__en-us_topic_0000001433828421_en-us_topic_0214164624_p04417351357"><strong id="EN-US_TOPIC_0000001860318453__en-us_topic_0000001433828421_b577556743213">Input: [VAR]BINARY</strong></p>
<div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001860318453__en-us_topic_0000001433828421_en-us_topic_0214164624_screen2261112533610"><div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span class="normal">1</span>
<span class="normal">2</span>
<span class="normal">3</span>
<span class="normal">4</span>
<span class="normal">5</span>
<span class="normal">6</span>
<span class="normal">7</span>
<span class="normal">8</span></pre></div></td><td class="code"><div><pre><span></span><span class="k">CREATE</span><span class="w"> </span><span class="k">TABLE</span><span class="w"> </span><span class="k">IF</span><span class="w"> </span><span class="k">NOT</span><span class="w"> </span><span class="k">EXISTS</span><span class="w"> </span><span class="o">`</span><span class="n">runoob_dataType_test</span><span class="o">`</span><span class="p">(</span>
<span class="w"> </span><span class="o">`</span><span class="n">dataType_1</span><span class="o">`</span><span class="w"> </span><span class="nb">INT</span><span class="p">,</span>
<span class="w"> </span><span class="o">`</span><span class="n">dataType_2</span><span class="o">`</span><span class="w"> </span><span class="nb">BINARY</span><span class="p">,</span>
<span class="w"> </span><span class="o">`</span><span class="n">dataType_3</span><span class="o">`</span><span class="w"> </span><span class="nb">BINARY</span><span class="p">(</span><span class="mi">0</span><span class="p">),</span>
<span class="w"> </span><span class="o">`</span><span class="n">dataType_4</span><span class="o">`</span><span class="w"> </span><span class="nb">BINARY</span><span class="p">(</span><span class="mi">255</span><span class="p">),</span>
<span class="w"> </span><span class="o">`</span><span class="n">dataType_5</span><span class="o">`</span><span class="w"> </span><span class="n">VARBINARY</span><span class="p">(</span><span class="mi">0</span><span class="p">),</span>
<span class="w"> </span><span class="o">`</span><span class="n">dataType_6</span><span class="o">`</span><span class="w"> </span><span class="n">VARBINARY</span><span class="p">(</span><span class="mi">6553</span><span class="p">)</span>
<span class="p">);</span>
</pre></div></td></tr></table></div>
</div>
<p id="EN-US_TOPIC_0000001860318453__en-us_topic_0000001433828421_en-us_topic_0214164624_p5150184531611"><strong id="EN-US_TOPIC_0000001860318453__en-us_topic_0000001433828421_en-us_topic_0214164624_b118735910165">Output</strong></p>
<div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001860318453__en-us_topic_0000001433828421_en-us_topic_0214164624_screen152741325177"><div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span class="normal"> 1</span>
<span class="normal"> 2</span>
<span class="normal"> 3</span>
<span class="normal"> 4</span>
<span class="normal"> 5</span>
<span class="normal"> 6</span>
<span class="normal"> 7</span>
<span class="normal"> 8</span>
<span class="normal"> 9</span>
<span class="normal">10</span>
<span class="normal">11</span>
<span class="normal">12</span></pre></div></td><td class="code"><div><pre><span></span><span class="k">CREATE</span><span class="w"> </span><span class="k">TABLE</span><span class="w"> </span><span class="k">IF</span><span class="w"> </span><span class="k">NOT</span><span class="w"> </span><span class="k">EXISTS</span><span class="w"> </span><span class="ss">&quot;public&quot;</span><span class="p">.</span><span class="ss">&quot;runoob_datatype_test&quot;</span>
<span class="p">(</span>
<span class="w"> </span><span class="ss">&quot;datatype_1&quot;</span><span class="w"> </span><span class="nb">INTEGER</span><span class="p">,</span>
<span class="w"> </span><span class="ss">&quot;datatype_2&quot;</span><span class="w"> </span><span class="n">BYTEA</span><span class="p">,</span>
<span class="w"> </span><span class="ss">&quot;datatype_3&quot;</span><span class="w"> </span><span class="n">BYTEA</span><span class="p">,</span>
<span class="w"> </span><span class="ss">&quot;datatype_4&quot;</span><span class="w"> </span><span class="n">BYTEA</span><span class="p">,</span>
<span class="w"> </span><span class="ss">&quot;datatype_5&quot;</span><span class="w"> </span><span class="n">BYTEA</span><span class="p">,</span>
<span class="w"> </span><span class="ss">&quot;datatype_6&quot;</span><span class="w"> </span><span class="n">BYTEA</span>
<span class="p">)</span>
<span class="w"> </span><span class="k">WITH</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="n">ORIENTATION</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="k">ROW</span><span class="p">,</span><span class="w"> </span><span class="n">COMPRESSION</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="k">NO</span><span class="w"> </span><span class="p">)</span>
<span class="w"> </span><span class="n">NOCOMPRESS</span>
<span class="w"> </span><span class="n">DISTRIBUTE</span><span class="w"> </span><span class="k">BY</span><span class="w"> </span><span class="n">HASH</span><span class="w"> </span><span class="p">(</span><span class="ss">&quot;datatype_1&quot;</span><span class="p">);</span>
</pre></div></td></tr></table></div>
</div>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="dws_16_0106.html">Data Types</a></div>
</div>
</div>
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