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doc-exports/docs/dws/tool/dws_mt_0101.html
Lu, Huayi 346ac31da9 DWS TG 8.1.3.200 VERSION 
Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com>
Reviewed-by: Jiang, Beibei <beibei.jiang@t-systems.com>
Co-authored-by: Lu, Huayi <luhuayi@huawei.com>
Co-committed-by: Lu, Huayi <luhuayi@huawei.com>
2023-08-28 09:20:17 +00:00

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<a name="EN-US_TOPIC_0000001188202614"></a><a name="EN-US_TOPIC_0000001188202614"></a>
<h1 class="topictitle1">String Functions</h1>
<div id="body8662426"><div class="section" id="EN-US_TOPIC_0000001188202614__en-us_topic_0238518368_en-us_topic_0237362210_section98336268713"><h4 class="sectiontitle">CHAR Function</h4><p id="EN-US_TOPIC_0000001188202614__en-us_topic_0238518368_en-us_topic_0237362210_p137499310911"><strong id="EN-US_TOPIC_0000001188202614__en-us_topic_0237712240_b0782151119911">Input: CHAR</strong></p>
</div>
<div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001188202614__en-us_topic_0238518368_en-us_topic_0237362210_screen13276125521519"><div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span class="normal">1</span></pre></div></td><td class="code"><div><pre><span></span><span class="nb">CHAR</span><span class="p">(</span><span class="w"> </span><span class="n">expression1</span><span class="w"> </span><span class="p">)</span>
</pre></div></td></tr></table></div>
</div>
<p id="EN-US_TOPIC_0000001188202614__en-us_topic_0238518368_en-us_topic_0237362210_p1227675531512"><strong id="EN-US_TOPIC_0000001188202614__en-us_topic_0237712240_b16001314392">Output</strong></p>
<div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001188202614__en-us_topic_0238518368_en-us_topic_0237362210_screen027613559156"><div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span class="normal">1</span></pre></div></td><td class="code"><div><pre><span></span><span class="k">LENGTH</span><span class="p">(</span><span class="w"> </span><span class="n">expression1</span><span class="w"> </span><span class="p">)</span>
</pre></div></td></tr></table></div>
</div>
<div class="section" id="EN-US_TOPIC_0000001188202614__en-us_topic_0238518368_en-us_topic_0237362210_section18359116786"><h4 class="sectiontitle">CHARACTERS Function</h4><p id="EN-US_TOPIC_0000001188202614__en-us_topic_0238518368_en-us_topic_0237362210_p1974916718913"><strong id="EN-US_TOPIC_0000001188202614__en-us_topic_0237712240_b20483161920913">Input: CHARACTERS</strong></p>
</div>
<div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001188202614__en-us_topic_0238518368_en-us_topic_0237362210_screen3276755131513"><div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span class="normal">1</span></pre></div></td><td class="code"><div><pre><span></span><span class="n">CHARACTERS</span><span class="p">(</span><span class="w"> </span><span class="n">expression1</span><span class="w"> </span><span class="p">)</span>
</pre></div></td></tr></table></div>
</div>
<p id="EN-US_TOPIC_0000001188202614__en-us_topic_0238518368_en-us_topic_0237362210_p7276125581511"><strong id="EN-US_TOPIC_0000001188202614__en-us_topic_0237712240_b583532119917">Output</strong></p>
<div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001188202614__en-us_topic_0238518368_en-us_topic_0237362210_screen1276125551510"><div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span class="normal">1</span></pre></div></td><td class="code"><div><pre><span></span><span class="k">LENGTH</span><span class="p">(</span><span class="w"> </span><span class="n">expression1</span><span class="w"> </span><span class="p">)</span>
</pre></div></td></tr></table></div>
</div>
<div class="section" id="EN-US_TOPIC_0000001188202614__en-us_topic_0238518368_en-us_topic_0237362210_section5834203015820"><h4 class="sectiontitle">INDEX</h4><p id="EN-US_TOPIC_0000001188202614__en-us_topic_0238518368_en-us_topic_0237362210_p7276195516151"><strong id="EN-US_TOPIC_0000001188202614__en-us_topic_0237712240_b34616258910">Input: INDEX</strong></p>
<div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001188202614__en-us_topic_0238518368_en-us_topic_0237362210_screen16276055151520"><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></pre></div></td><td class="code"><div><pre><span></span><span class="k">SELECT</span><span class="w"> </span><span class="k">INDEX</span><span class="p">(</span><span class="n">expr1</span><span class="o">/</span><span class="n">string</span><span class="p">,</span><span class="w"> </span><span class="k">substring</span><span class="p">)</span>
<span class="w"> </span><span class="k">FROM</span><span class="w"> </span><span class="n">tab1</span><span class="w"> </span>
<span class="w"> </span><span class="k">WHERE</span><span class="w"> </span><span class="err">…</span><span class="w"> </span><span class="p">;</span>
</pre></div></td></tr></table></div>
</div>
<p id="EN-US_TOPIC_0000001188202614__en-us_topic_0238518368_en-us_topic_0237362210_p102762559157"><strong id="EN-US_TOPIC_0000001188202614__b133782789">Output</strong></p>
<div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001188202614__en-us_topic_0238518368_en-us_topic_0237362210_screen9276105551510"><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></pre></div></td><td class="code"><div><pre><span></span><span class="w"> </span><span class="k">SELECT</span><span class="w"> </span><span class="n">INSTR</span><span class="p">(</span><span class="n">expr1</span><span class="o">/</span><span class="n">string</span><span class="p">,</span><span class="w"> </span><span class="k">substring</span><span class="p">)</span>
<span class="w"> </span><span class="k">FROM</span><span class="w"> </span><span class="n">tab1</span><span class="w"> </span>
<span class="w"> </span><span class="k">WHERE</span><span class="w"> </span><span class="err">…</span><span class="w"> </span><span class="p">;</span>
</pre></div></td></tr></table></div>
</div>
</div>
<div class="section" id="EN-US_TOPIC_0000001188202614__en-us_topic_0238518368_en-us_topic_0237362210_section156724412105"><h4 class="sectiontitle">STRREPLACE</h4><div class="p" id="EN-US_TOPIC_0000001188202614__en-us_topic_0238518368_en-us_topic_0237362210_p1687172115324"><strong id="EN-US_TOPIC_0000001188202614__en-us_topic_0237712240_b380014334911">Input: STRREPLACE</strong><div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001188202614__en-us_topic_0238518368_en-us_topic_0237362210_screen652514521696"><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></pre></div></td><td class="code"><div><pre><span></span><span class="k">SELECT</span><span class="w"> </span><span class="n">STRREPLACE</span><span class="p">(</span><span class="n">c2</span><span class="p">,</span><span class="w"> </span><span class="s1">'.'</span><span class="p">,</span><span class="w"> </span><span class="s1">''</span><span class="p">)</span>
<span class="w"> </span><span class="k">FROM</span><span class="w"> </span><span class="n">tab1</span>
<span class="w"> </span><span class="k">WHERE</span><span class="w"> </span><span class="p">...;</span>
</pre></div></td></tr></table></div>
</div>
</div>
<p id="EN-US_TOPIC_0000001188202614__en-us_topic_0238518368_en-us_topic_0237362210_p182799559151"><strong id="EN-US_TOPIC_0000001188202614__b1497782931">Output</strong></p>
<div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001188202614__en-us_topic_0238518368_en-us_topic_0237362210_screen122798558151"><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></pre></div></td><td class="code"><div><pre><span></span><span class="k">SELECT</span><span class="w"> </span><span class="k">REPLACE</span><span class="p">(</span><span class="n">c2</span><span class="p">,</span><span class="w"> </span><span class="s1">'.'</span><span class="p">,</span><span class="w"> </span><span class="s1">''</span><span class="p">)</span>
<span class="w"> </span><span class="k">FROM</span><span class="w"> </span><span class="n">tab1</span>
<span class="w"> </span><span class="k">WHERE</span><span class="w"> </span><span class="p">...;</span>
</pre></div></td></tr></table></div>
</div>
</div>
<div class="section" id="EN-US_TOPIC_0000001188202614__en-us_topic_0238518368_en-us_topic_0237362210_section11574199161010"><h4 class="sectiontitle">OREPLACE</h4><div class="p" id="EN-US_TOPIC_0000001188202614__en-us_topic_0238518368_en-us_topic_0237362210_p2468124917324"><strong id="EN-US_TOPIC_0000001188202614__en-us_topic_0237712240_b15254191944012">Input: OREPLACE</strong><div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001188202614__en-us_topic_0238518368_en-us_topic_0237362210_screen17278115551518"><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></pre></div></td><td class="code"><div><pre><span></span><span class="k">SELECT</span><span class="w"> </span><span class="n">OREPLACE</span><span class="w"> </span><span class="p">(</span><span class="n">c2</span><span class="p">,</span><span class="w"> </span><span class="s1">'.'</span><span class="p">,</span><span class="w"> </span><span class="s1">''</span><span class="p">)</span>
<span class="w"> </span><span class="k">FROM</span><span class="w"> </span><span class="n">tab1</span>
<span class="w"> </span><span class="k">WHERE</span><span class="w"> </span><span class="err">…</span><span class="w"> </span><span class="p">;</span>
</pre></div></td></tr></table></div>
</div>
</div>
<p id="EN-US_TOPIC_0000001188202614__en-us_topic_0238518368_en-us_topic_0237362210_p9278125514153"><strong id="EN-US_TOPIC_0000001188202614__b1627755691">Output</strong></p>
<div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001188202614__en-us_topic_0238518368_en-us_topic_0237362210_screen6279195519154"><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></pre></div></td><td class="code"><div><pre><span></span><span class="w"> </span><span class="k">SELECT</span><span class="w"> </span><span class="k">REPLACE</span><span class="p">(</span><span class="n">c2</span><span class="p">,</span><span class="w"> </span><span class="s1">'.'</span><span class="p">,</span><span class="w"> </span><span class="s1">''</span><span class="p">)</span><span class="w"> </span>
<span class="w"> </span><span class="k">FROM</span><span class="w"> </span><span class="n">tab1</span>
<span class="w"> </span><span class="k">WHERE</span><span class="w"> </span><span class="err">…</span><span class="w"> </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_mt_0044.html">Teradata Syntax Migration</a></div>
</div>
</div>
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