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Lu, Huayi
e6fa411af0
Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com> Co-authored-by: Lu, Huayi <luhuayi@huawei.com> Co-committed-by: Lu, Huayi <luhuayi@huawei.com>
33 lines
3.5 KiB
HTML
33 lines
3.5 KiB
HTML
<a name="EN-US_TOPIC_0000001188482306"></a><a name="EN-US_TOPIC_0000001188482306"></a>
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<h1 class="topictitle1">Assignment Statement</h1>
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<div id="body8662426"><div class="section" id="EN-US_TOPIC_0000001188482306__s4e2431d4fc014a03af58967c5fa490bc"><h4 class="sectiontitle">Syntax</h4><p id="EN-US_TOPIC_0000001188482306__a0bf4b71ef6384f08bc1b3ef7e226a4fa"><a href="#EN-US_TOPIC_0000001188482306__f62f6427de47d451aad5b1d15cc4af96a">Figure 1</a> shows the syntax diagram for assigning a value to a variable.</p>
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<div class="fignone" id="EN-US_TOPIC_0000001188482306__f62f6427de47d451aad5b1d15cc4af96a"><a name="EN-US_TOPIC_0000001188482306__f62f6427de47d451aad5b1d15cc4af96a"></a><a name="f62f6427de47d451aad5b1d15cc4af96a"></a><span class="figcap"><b>Figure 1 </b>assignment_value::=</span><br><span><img id="EN-US_TOPIC_0000001188482306__i1a8b25350136479999f0ee353cefa329" src="figure/en-us_image_0000001233563379.png"></span></div>
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<p id="EN-US_TOPIC_0000001188482306__a10cd321ee835416f8ab222d1dead3dbb">The above syntax diagram is explained as follows:</p>
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<ul id="EN-US_TOPIC_0000001188482306__u7d56ef525ddf4c81b75f582c9f610e1a"><li id="EN-US_TOPIC_0000001188482306__l5585996b385b4c008f034f40fe90bf64"><strong id="EN-US_TOPIC_0000001188482306__a90ac648974fa45858f234f3a160ac1cf">variable_name</strong> indicates the name of a variable.</li><li id="EN-US_TOPIC_0000001188482306__la0fb80a2775044f9b532f9ffa88f1013"><strong id="EN-US_TOPIC_0000001188482306__ae7663eed71b8431780798d6f86b72ea6">value</strong> can be a value or an expression. The type of <strong id="EN-US_TOPIC_0000001188482306__a4c0a5e39feaa4c42a45fcb8ffcceaf76">value</strong> must be compatible with the type of <strong id="EN-US_TOPIC_0000001188482306__a0d69fa6bc7fa4a3b9d111a3b29c783e9">variable_name</strong>.</li></ul>
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</div>
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<div class="section" id="EN-US_TOPIC_0000001188482306__s4ed205e68e2a469280e827485d17987f"><h4 class="sectiontitle">Examples</h4><div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001188482306__s9c536e2ac334468681b72baeff697f5d"><div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span class="normal">1</span>
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<span class="normal">2</span>
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<span class="normal">3</span>
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<span class="normal">4</span>
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<span class="normal">5</span>
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<span class="normal">6</span>
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<span class="normal">7</span></pre></div></td><td class="code"><div><pre><span></span><span class="k">DECLARE</span>
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<span class="w"> </span><span class="n">emp_id</span><span class="w"> </span><span class="nb">INTEGER</span><span class="w"> </span><span class="p">:</span><span class="o">=</span><span class="w"> </span><span class="mi">7788</span><span class="p">;</span><span class="w"> </span><span class="c1">--Assignment</span>
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<span class="k">BEGIN</span>
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<span class="w"> </span><span class="n">emp_id</span><span class="w"> </span><span class="p">:</span><span class="o">=</span><span class="w"> </span><span class="mi">5</span><span class="p">;</span><span class="w"> </span><span class="c1">--Assignment</span>
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<span class="w"> </span><span class="n">emp_id</span><span class="w"> </span><span class="p">:</span><span class="o">=</span><span class="w"> </span><span class="mi">5</span><span class="o">*</span><span class="mi">7784</span><span class="p">;</span>
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<span class="k">END</span><span class="p">;</span>
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<span class="o">/</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="dws_04_0523.html">Basic Statements</a></div>
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</div>
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</div>
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