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Su, Xiaomeng
76a5b1ee83
Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com> Co-authored-by: Su, Xiaomeng <suxiaomeng1@huawei.com> Co-committed-by: Su, Xiaomeng <suxiaomeng1@huawei.com>
28 lines
3.6 KiB
HTML
28 lines
3.6 KiB
HTML
<a name="dli_08_0463"></a><a name="dli_08_0463"></a>
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<h1 class="topictitle1">Querying an Oracle Table</h1>
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<div id="body0000001617530373"><div class="section" id="dli_08_0463__section14226105954315"><h4 class="sectiontitle">Function</h4><p id="dli_08_0463__en-us_topic_0204105391_en-us_topic_0142907231_en-us_topic_0114776215_en-us_topic_0114689142_af7983162fc32438d819f21191736d15d">This statement is used to query data in an Oracle table.</p>
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</div>
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<div class="section" id="dli_08_0463__en-us_topic_0204105391_en-us_topic_0142907231_en-us_topic_0114776215_en-us_topic_0114689142_s452ed7223e30489e8c84908d006db5f1"><h4 class="sectiontitle">Syntax</h4><div class="codecoloring" codetype="Sql" id="dli_08_0463__en-us_topic_0204105391_screen153791658175715"><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">SELECT</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="k">FROM</span><span class="w"> </span><span class="k">table_name</span><span class="w"> </span><span class="k">LIMIT</span><span class="w"> </span><span class="nb">number</span><span class="p">;</span>
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</pre></div></td></tr></table></div>
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</div>
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</div>
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<div class="section" id="dli_08_0463__en-us_topic_0204105391_en-us_topic_0142907231_en-us_topic_0114776215_en-us_topic_0114689142_s022cdf3e3b794ef6ab379c57a6312479"><h4 class="sectiontitle">Keywords</h4><p id="dli_08_0463__en-us_topic_0204105391_en-us_topic_0142907231_en-us_topic_0114776215_en-us_topic_0114689142_p33843242274">LIMIT is used to limit the query results. Only INT type is supported by the <strong id="dli_08_0463__b17891550142314">number</strong> parameter.</p>
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</div>
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<div class="section" id="dli_08_0463__en-us_topic_0204105391_en-us_topic_0142907231_en-us_topic_0114776215_en-us_topic_0114689142_sd02019d1afd4479d811d4fc5cb2be648"><h4 class="sectiontitle">Precautions</h4><p id="dli_08_0463__en-us_topic_0204105391_en-us_topic_0142907231_en-us_topic_0114776215_p10675164612358">If schema information is not specified during table creation, the query result contains the <strong id="dli_08_0463__b1751816579248">_id</strong> field for storing <strong id="dli_08_0463__b1451935742416">_id</strong> in the DOC file.</p>
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</div>
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<div class="section" id="dli_08_0463__en-us_topic_0204105391_en-us_topic_0142907231_en-us_topic_0114776215_en-us_topic_0114689142_s18c3289e82d94522b31bbdc7d2aae3ed"><h4 class="sectiontitle">Example</h4><p id="dli_08_0463__en-us_topic_0204105391_en-us_topic_0142907231_en-us_topic_0114776215_en-us_topic_0114689142_ab3da007974a548888c2e36ddd6e01c43">Querying data in the <strong id="dli_08_0463__b145601646132510">test_oracle</strong> table</p>
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<div class="codecoloring" codetype="Sql" id="dli_08_0463__en-us_topic_0204105391_screen20607111912586"><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">SELECT</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="k">FROM</span><span class="w"> </span><span class="n">test_oracle</span><span class="w"> </span><span class="k">limit</span><span class="w"> </span><span class="mi">100</span><span class="p">;</span>
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</pre></div></td></tr></table></div>
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</div>
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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="dli_08_0460.html">Creating a Datasource Connection with an Oracle Table</a></div>
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</div>
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</div>
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