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Lu, Huayi e6fa411af0 DWS DEV 830.201 version 
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>
2024-05-16 07:24:04 +00:00

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<a name="EN-US_TOPIC_0000001233510095"></a><a name="EN-US_TOPIC_0000001233510095"></a>
<h1 class="topictitle1">MERGE INTO</h1>
<div id="body1530499427336"><div class="section" id="EN-US_TOPIC_0000001233510095__section11462163155618"><h4 class="sectiontitle">Function</h4><p id="EN-US_TOPIC_0000001233510095__p1593511493188">The <strong id="EN-US_TOPIC_0000001233510095__b1389264818112">MERGE INTO</strong> statement is used to conditionally match data in a target table with that in a source table. If data matches, <strong id="EN-US_TOPIC_0000001233510095__b1793412147552">UPDATE</strong> is executed on the target table; if data does not match, <strong id="EN-US_TOPIC_0000001233510095__b5919317105513">INSERT</strong> is executed. You can use this syntax to run <strong id="EN-US_TOPIC_0000001233510095__b2656143555610">UPDATE</strong> and <strong id="EN-US_TOPIC_0000001233510095__b1973573715615">INSERT</strong> at a time for convenience.</p>
</div>
<div class="section" id="EN-US_TOPIC_0000001233510095__section166351045574"><h4 class="sectiontitle">Precautions</h4><ul id="EN-US_TOPIC_0000001233510095__ul465523022711"><li id="EN-US_TOPIC_0000001233510095__li1265553012278">To run <strong id="EN-US_TOPIC_0000001233510095__b166651398294">MERGE INTO</strong>, you must have the UPDATE and INSERT permissions for the target table, as well as the SELECT permission for the source table.</li><li id="EN-US_TOPIC_0000001233510095__li157271332122719"><strong id="EN-US_TOPIC_0000001233510095__b135175965916">PREPARE</strong> is not supported.</li><li id="EN-US_TOPIC_0000001233510095__li47909342275"><strong id="EN-US_TOPIC_0000001233510095__b61741215593">MERGE INTO</strong> cannot be executed during redistribution.</li><li id="EN-US_TOPIC_0000001233510095__li183652301425"><strong id="EN-US_TOPIC_0000001233510095__b1844142122314">MERGE INTO</strong> cannot be executed for target tables that contain triggers.</li><li id="EN-US_TOPIC_0000001233510095__li132588205167">When executing <strong id="EN-US_TOPIC_0000001233510095__b1817215254336">MERGE INTO</strong> for the round-robin table, you are advised to disable the GUC parameter <strong id="EN-US_TOPIC_0000001233510095__b131794254334">allow_concurrent_tuple_update</strong>. Otherwise, some <strong id="EN-US_TOPIC_0000001233510095__b618052515331">MERGE INTO</strong> statements are not supported.</li></ul>
</div>
<div class="section" id="EN-US_TOPIC_0000001233510095__section10551749579"><h4 class="sectiontitle">Syntax</h4><div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001233510095__screen836344319819"><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>
<span class="normal">13</span>
<span class="normal">14</span></pre></div></td><td class="code"><div><pre><span></span><span class="n">MERGE</span><span class="w"> </span><span class="k">INTO</span><span class="w"> </span><span class="k">table_name</span><span class="w"> </span><span class="p">[</span><span class="w"> </span><span class="p">[</span><span class="w"> </span><span class="k">AS</span><span class="w"> </span><span class="p">]</span><span class="w"> </span><span class="k">alias</span><span class="w"> </span><span class="p">]</span>
<span class="k">USING</span><span class="w"> </span><span class="err">{</span><span class="w"> </span><span class="err">{</span><span class="w"> </span><span class="k">table_name</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="n">view_name</span><span class="w"> </span><span class="err">}</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="n">subquery</span><span class="w"> </span><span class="err">}</span><span class="w"> </span><span class="p">[</span><span class="w"> </span><span class="p">[</span><span class="w"> </span><span class="k">AS</span><span class="w"> </span><span class="p">]</span><span class="w"> </span><span class="k">alias</span><span class="w"> </span><span class="p">]</span>
<span class="k">ON</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="n">condition</span><span class="w"> </span><span class="p">)</span>
<span class="p">[</span>
<span class="w"> </span><span class="k">WHEN</span><span class="w"> </span><span class="n">MATCHED</span><span class="w"> </span><span class="k">THEN</span>
<span class="w"> </span><span class="k">UPDATE</span><span class="w"> </span><span class="k">SET</span><span class="w"> </span><span class="err">{</span><span class="w"> </span><span class="k">column_name</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="err">{</span><span class="w"> </span><span class="n">expression</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="k">DEFAULT</span><span class="w"> </span><span class="err">}</span><span class="w"> </span><span class="o">|</span>
<span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="k">column_name</span><span class="w"> </span><span class="p">[,</span><span class="w"> </span><span class="p">...]</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="err">{</span><span class="w"> </span><span class="n">expression</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="k">DEFAULT</span><span class="w"> </span><span class="err">}</span><span class="w"> </span><span class="p">[,</span><span class="w"> </span><span class="p">...]</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="err">}</span><span class="w"> </span><span class="p">[,</span><span class="w"> </span><span class="p">...]</span>
<span class="w"> </span><span class="p">[</span><span class="w"> </span><span class="k">WHERE</span><span class="w"> </span><span class="n">condition</span><span class="w"> </span><span class="p">]</span>
<span class="p">]</span>
<span class="p">[</span>
<span class="w"> </span><span class="k">WHEN</span><span class="w"> </span><span class="k">NOT</span><span class="w"> </span><span class="n">MATCHED</span><span class="w"> </span><span class="k">THEN</span>
<span class="w"> </span><span class="k">INSERT</span><span class="w"> </span><span class="err">{</span><span class="w"> </span><span class="k">DEFAULT</span><span class="w"> </span><span class="k">VALUES</span><span class="w"> </span><span class="o">|</span>
<span class="w"> </span><span class="p">[</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="k">column_name</span><span class="w"> </span><span class="p">[,</span><span class="w"> </span><span class="p">...]</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="p">]</span><span class="w"> </span><span class="k">VALUES</span><span class="w"> </span><span class="p">(</span><span class="w"> </span><span class="err">{</span><span class="w"> </span><span class="n">expression</span><span class="w"> </span><span class="o">|</span><span class="w"> </span><span class="k">DEFAULT</span><span class="w"> </span><span class="err">}</span><span class="w"> </span><span class="p">[,</span><span class="w"> </span><span class="p">...]</span><span class="w"> </span><span class="p">)</span><span class="w"> </span><span class="p">[,</span><span class="w"> </span><span class="p">...]</span><span class="w"> </span><span class="p">[</span><span class="w"> </span><span class="k">WHERE</span><span class="w"> </span><span class="n">condition</span><span class="w"> </span><span class="p">]</span><span class="w"> </span><span class="err">}</span>
<span class="p">];</span>
</pre></div></td></tr></table></div>
</div>
</div>
<div class="section" id="EN-US_TOPIC_0000001233510095__section1315653475"><h4 class="sectiontitle">Parameter Description</h4><ul id="EN-US_TOPIC_0000001233510095__ul0131122414393"><li id="EN-US_TOPIC_0000001233510095__l2e7c51aac0a94a18bf457a6cb51fc92b"><strong id="EN-US_TOPIC_0000001233510095__b1790952718013">INTO</strong> clause<p id="EN-US_TOPIC_0000001233510095__afd87c3971a4d4428b1326a6b1633bd60">Specifies the target table that is being updated or has data being inserted.</p>
<ul id="EN-US_TOPIC_0000001233510095__ul1536131117155"><li id="EN-US_TOPIC_0000001233510095__li355611952012"><strong id="EN-US_TOPIC_0000001233510095__b457694211213">table_name</strong><p id="EN-US_TOPIC_0000001233510095__p139262952113">Specifies the name of the target table.</p>
</li><li id="EN-US_TOPIC_0000001233510095__l9d81378151c840608c7f91620059e663"><strong id="EN-US_TOPIC_0000001233510095__a870e440c9dbc4c2b8d332416c636b5b7">alias</strong><p id="EN-US_TOPIC_0000001233510095__a849db2fd073941289d905ecac08ab8ac">Specifies the alias of the target table.</p>
<p id="EN-US_TOPIC_0000001233510095__a4047bf2bb850400982359fec570c4f9b">Value range: a string. It must comply with the naming convention.</p>
</li></ul>
</li><li id="EN-US_TOPIC_0000001233510095__li639155673"><strong id="EN-US_TOPIC_0000001233510095__b5235181011212">USING</strong> clause<p id="EN-US_TOPIC_0000001233510095__p58570217715">Specifies the source table, which can be a table, view, or subquery.</p>
</li><li id="EN-US_TOPIC_0000001233510095__l849b5f8b1c044e69b209289558768817"><strong id="EN-US_TOPIC_0000001233510095__b14253733321">ON</strong> clause<p id="EN-US_TOPIC_0000001233510095__a20ef3ea8919b439aa87cd0dc7571a357">Specifies the condition used to match data between the source and target tables. Columns in the condition cannot be updated.</p>
</li><li id="EN-US_TOPIC_0000001233510095__li2630142874718"><strong id="EN-US_TOPIC_0000001233510095__b31295321934">WHEN MATCHED</strong> clause<p id="EN-US_TOPIC_0000001233510095__p12887162312286">Performs the UPDATE operation if data in the source table matches that in the target table based on the condition.</p>
<p id="EN-US_TOPIC_0000001233510095__p79501031124716">Distribution keys cannot be updated. System catalogs and system columns cannot be updated.</p>
</li><li id="EN-US_TOPIC_0000001233510095__li227205134712"><strong id="EN-US_TOPIC_0000001233510095__b1026311413613">WHEN NOT MATCHED</strong> clause<p id="EN-US_TOPIC_0000001233510095__p14681335172619">Specifies that the INSERT operation is performed if data in the source table does not match that in the target table based on the condition.</p>
<p id="EN-US_TOPIC_0000001233510095__p46549488473">The <strong id="EN-US_TOPIC_0000001233510095__b51819394716">INSERT</strong> clause is not allowed to contain multiple <strong id="EN-US_TOPIC_0000001233510095__b547010533716">VALUES</strong>.</p>
<p id="EN-US_TOPIC_0000001233510095__p20458113872611">The order of <strong id="EN-US_TOPIC_0000001233510095__b18862161183">WHEN MATCHED</strong> and <strong id="EN-US_TOPIC_0000001233510095__b7393992812">WHEN NOT MATCHED</strong> clauses can be reversed. One of them can be used by default, but they cannot be both used at one time. Two <strong id="EN-US_TOPIC_0000001233510095__b12704614391">WHEN MATCHED</strong> or <strong id="EN-US_TOPIC_0000001233510095__b10187617594">WHEN NOT MATCHED</strong> clauses cannot be specified at the same time.</p>
</li><li id="EN-US_TOPIC_0000001233510095__li11886163461611"><strong id="EN-US_TOPIC_0000001233510095__b38861734141614">DEFAULT</strong><p id="EN-US_TOPIC_0000001233510095__p988643414168">Specifies the default value of a column.</p>
<p id="EN-US_TOPIC_0000001233510095__p17886034161616">It will be <strong id="EN-US_TOPIC_0000001233510095__b4871682812018">NULL</strong> if no specific default value has been assigned to it.</p>
</li><li id="EN-US_TOPIC_0000001233510095__li688613441610"><strong id="EN-US_TOPIC_0000001233510095__b20886193481611">WHERE condition</strong><p id="EN-US_TOPIC_0000001233510095__p188603471617">Specifies the conditions for the <strong id="EN-US_TOPIC_0000001233510095__b8145171921312">UPDATE</strong> and <strong id="EN-US_TOPIC_0000001233510095__b1192192141311">INSERT</strong> clauses. The two clauses will be executed only when the conditions are met. The default value can be used. System columns cannot be referenced in <strong id="EN-US_TOPIC_0000001233510095__b972722814140">WHERE condition</strong>.</p>
</li></ul>
</div>
<div class="section" id="EN-US_TOPIC_0000001233510095__section3650125620712"><h4 class="sectiontitle">Examples</h4><p id="EN-US_TOPIC_0000001233510095__p783566195214">Create the target table <strong id="EN-US_TOPIC_0000001233510095__b4663919933456">products</strong> and source table <strong id="EN-US_TOPIC_0000001233510095__b70214602933456">newproducts</strong>, and insert data to them:</p>
<div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001233510095__screen11674142205314"><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>
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<span class="normal"> 9</span>
<span class="normal">10</span>
<span class="normal">11</span>
<span class="normal">12</span>
<span class="normal">13</span>
<span class="normal">14</span>
<span class="normal">15</span>
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<span class="normal">18</span>
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<span class="normal">20</span>
<span class="normal">21</span>
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<span class="normal">24</span>
<span class="normal">25</span>
<span class="normal">26</span></pre></div></td><td class="code"><div><pre><span></span><span class="k">DROP</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">EXISTS</span><span class="w"> </span><span class="n">products</span><span class="p">;</span>
<span class="k">CREATE</span><span class="w"> </span><span class="k">TABLE</span><span class="w"> </span><span class="n">products</span>
<span class="p">(</span>
<span class="n">product_id</span><span class="w"> </span><span class="nb">INTEGER</span><span class="p">,</span>
<span class="n">product_name</span><span class="w"> </span><span class="n">VARCHAR2</span><span class="p">(</span><span class="mi">60</span><span class="p">),</span>
<span class="n">category</span><span class="w"> </span><span class="n">VARCHAR2</span><span class="p">(</span><span class="mi">60</span><span class="p">)</span>
<span class="p">);</span>
<span class="k">INSERT</span><span class="w"> </span><span class="k">INTO</span><span class="w"> </span><span class="n">products</span><span class="w"> </span><span class="k">VALUES</span><span class="w"> </span><span class="p">(</span><span class="mi">1501</span><span class="p">,</span><span class="w"> </span><span class="s1">'vivitar 35mm'</span><span class="p">,</span><span class="w"> </span><span class="s1">'electrncs'</span><span class="p">);</span>
<span class="k">INSERT</span><span class="w"> </span><span class="k">INTO</span><span class="w"> </span><span class="n">products</span><span class="w"> </span><span class="k">VALUES</span><span class="w"> </span><span class="p">(</span><span class="mi">1502</span><span class="p">,</span><span class="w"> </span><span class="s1">'olympus is50'</span><span class="p">,</span><span class="w"> </span><span class="s1">'electrncs'</span><span class="p">);</span>
<span class="k">INSERT</span><span class="w"> </span><span class="k">INTO</span><span class="w"> </span><span class="n">products</span><span class="w"> </span><span class="k">VALUES</span><span class="w"> </span><span class="p">(</span><span class="mi">1600</span><span class="p">,</span><span class="w"> </span><span class="s1">'play gym'</span><span class="p">,</span><span class="w"> </span><span class="s1">'toys'</span><span class="p">);</span>
<span class="k">INSERT</span><span class="w"> </span><span class="k">INTO</span><span class="w"> </span><span class="n">products</span><span class="w"> </span><span class="k">VALUES</span><span class="w"> </span><span class="p">(</span><span class="mi">1601</span><span class="p">,</span><span class="w"> </span><span class="s1">'lamaze'</span><span class="p">,</span><span class="w"> </span><span class="s1">'toys'</span><span class="p">);</span>
<span class="k">INSERT</span><span class="w"> </span><span class="k">INTO</span><span class="w"> </span><span class="n">products</span><span class="w"> </span><span class="k">VALUES</span><span class="w"> </span><span class="p">(</span><span class="mi">1666</span><span class="p">,</span><span class="w"> </span><span class="s1">'harry potter'</span><span class="p">,</span><span class="w"> </span><span class="s1">'dvd'</span><span class="p">);</span>
<span class="k">DROP</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">EXISTS</span><span class="w"> </span><span class="n">newproducts</span><span class="p">;</span>
<span class="k">CREATE</span><span class="w"> </span><span class="k">TABLE</span><span class="w"> </span><span class="n">newproducts</span>
<span class="p">(</span>
<span class="n">product_id</span><span class="w"> </span><span class="nb">INTEGER</span><span class="p">,</span>
<span class="n">product_name</span><span class="w"> </span><span class="n">VARCHAR2</span><span class="p">(</span><span class="mi">60</span><span class="p">),</span>
<span class="n">category</span><span class="w"> </span><span class="n">VARCHAR2</span><span class="p">(</span><span class="mi">60</span><span class="p">)</span>
<span class="p">);</span>
<span class="k">INSERT</span><span class="w"> </span><span class="k">INTO</span><span class="w"> </span><span class="n">newproducts</span><span class="w"> </span><span class="k">VALUES</span><span class="w"> </span><span class="p">(</span><span class="mi">1502</span><span class="p">,</span><span class="w"> </span><span class="s1">'olympus camera'</span><span class="p">,</span><span class="w"> </span><span class="s1">'electrncs'</span><span class="p">);</span>
<span class="k">INSERT</span><span class="w"> </span><span class="k">INTO</span><span class="w"> </span><span class="n">newproducts</span><span class="w"> </span><span class="k">VALUES</span><span class="w"> </span><span class="p">(</span><span class="mi">1601</span><span class="p">,</span><span class="w"> </span><span class="s1">'lamaze'</span><span class="p">,</span><span class="w"> </span><span class="s1">'toys'</span><span class="p">);</span>
<span class="k">INSERT</span><span class="w"> </span><span class="k">INTO</span><span class="w"> </span><span class="n">newproducts</span><span class="w"> </span><span class="k">VALUES</span><span class="w"> </span><span class="p">(</span><span class="mi">1666</span><span class="p">,</span><span class="w"> </span><span class="s1">'harry potter'</span><span class="p">,</span><span class="w"> </span><span class="s1">'toys'</span><span class="p">);</span>
<span class="k">INSERT</span><span class="w"> </span><span class="k">INTO</span><span class="w"> </span><span class="n">newproducts</span><span class="w"> </span><span class="k">VALUES</span><span class="w"> </span><span class="p">(</span><span class="mi">1700</span><span class="p">,</span><span class="w"> </span><span class="s1">'wait interface'</span><span class="p">,</span><span class="w"> </span><span class="s1">'books'</span><span class="p">);</span>
</pre></div></td></tr></table></div>
</div>
<p id="EN-US_TOPIC_0000001233510095__p1183514612526">Run <strong id="EN-US_TOPIC_0000001233510095__b29262119633456">MERGE INTO</strong>:</p>
<div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001233510095__screen1428215165413"><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></pre></div></td><td class="code"><div><pre><span></span><span class="n">MERGE</span><span class="w"> </span><span class="k">INTO</span><span class="w"> </span><span class="n">products</span><span class="w"> </span><span class="n">p</span><span class="w"> </span>
<span class="k">USING</span><span class="w"> </span><span class="n">newproducts</span><span class="w"> </span><span class="n">np</span><span class="w"> </span>
<span class="k">ON</span><span class="w"> </span><span class="p">(</span><span class="n">p</span><span class="p">.</span><span class="n">product_id</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">np</span><span class="p">.</span><span class="n">product_id</span><span class="p">)</span><span class="w"> </span>
<span class="k">WHEN</span><span class="w"> </span><span class="n">MATCHED</span><span class="w"> </span><span class="k">THEN</span><span class="w"> </span>
<span class="w"> </span><span class="k">UPDATE</span><span class="w"> </span><span class="k">SET</span><span class="w"> </span><span class="n">p</span><span class="p">.</span><span class="n">product_name</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">np</span><span class="p">.</span><span class="n">product_name</span><span class="p">,</span><span class="w"> </span><span class="n">p</span><span class="p">.</span><span class="n">category</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">np</span><span class="p">.</span><span class="n">category</span><span class="w"> </span><span class="k">WHERE</span><span class="w"> </span><span class="n">p</span><span class="p">.</span><span class="n">product_name</span><span class="w"> </span><span class="o">!=</span><span class="w"> </span><span class="s1">'play gym'</span><span class="w"> </span>
<span class="k">WHEN</span><span class="w"> </span><span class="k">NOT</span><span class="w"> </span><span class="n">MATCHED</span><span class="w"> </span><span class="k">THEN</span><span class="w"> </span>
<span class="w"> </span><span class="k">INSERT</span><span class="w"> </span><span class="k">VALUES</span><span class="w"> </span><span class="p">(</span><span class="n">np</span><span class="p">.</span><span class="n">product_id</span><span class="p">,</span><span class="w"> </span><span class="n">np</span><span class="p">.</span><span class="n">product_name</span><span class="p">,</span><span class="w"> </span><span class="n">np</span><span class="p">.</span><span class="n">category</span><span class="p">)</span><span class="w"> </span><span class="k">WHERE</span><span class="w"> </span><span class="n">np</span><span class="p">.</span><span class="n">category</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="s1">'books'</span><span class="p">;</span>
</pre></div></td></tr></table></div>
</div>
<p id="EN-US_TOPIC_0000001233510095__p18344618524">Query updates:</p>
<div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001233510095__screen1288693114548"><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">products</span><span class="w"> </span><span class="k">ORDER</span><span class="w"> </span><span class="k">BY</span><span class="w"> </span><span class="n">product_id</span><span class="p">;</span>
</pre></div></td></tr></table></div>
</div>
<p id="EN-US_TOPIC_0000001233510095__p333005512914"><span><img id="EN-US_TOPIC_0000001233510095__image12650195772913" src="figure/en-us_image_0000001845501357.png"></span></p>
<p id="EN-US_TOPIC_0000001233510095__p1383456195213">Delete a table:</p>
<div class="codecoloring" codetype="Sql" id="EN-US_TOPIC_0000001233510095__screen10841945165415"><div class="highlight"><table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><span class="normal">1</span>
<span class="normal">2</span></pre></div></td><td class="code"><div><pre><span></span><span class="k">DROP</span><span class="w"> </span><span class="k">TABLE</span><span class="w"> </span><span class="n">products</span><span class="p">;</span>
<span class="k">DROP</span><span class="w"> </span><span class="k">TABLE</span><span class="w"> </span><span class="n">newproducts</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_06_0227.html">DML Syntax</a></div>
</div>
</div>
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