📄 deletestatement.htm

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   <title>DELETE Command</title>
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<span style="font-family:Helvetica,Arial; font-size:12pt; color:#000000"><b>DELETE Command
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A DELETE statement is used to remove specified records from a table.  It can also be used to remove all records. 
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<b>Syntax
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</b></span><span style="font-family:Helvetica,Arial; font-size:10pt; color:#000000">DELETE FROM [ MEMORY ] <i>table_name</i> [ WHERE <i>condition</i> ]</span><span style="font-family:Times New Roman; font-size:12pt; color:#000000">
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<b>Description
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</span><span style="font-family:Helvetica,Arial; font-size:10pt; color:#000000">DELETE deletes rows that satisfy the WHERE clause from the specified table. If the WHERE clause is absent, the effect is to delete all rows in the table. The result is a valid, but empty table. 
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</span><span style="font-family:Times New Roman; font-size:12pt; color:#000000"> </span><span style="font-family:Helvetica,Arial; font-size:10pt; color:#000000">
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MEMORY
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<table width="100%" border="0" cellpadding="0" cellspacing="0"><tr valign="top"><td width="14"></td><td><span style="font-family:Helvetica,Arial; font-size:10pt; color:#000000">If MEMORY keyword is specified before the <i>table_name</i> then an in-memory table is referenced, not a disk one.
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</span></span></td></tr></table><table width="100%" border="0" cellpadding="0" cellspacing="0"><tr valign="top"><td width="14"></td><td><span style="font-family:Helvetica,Arial; font-size:10pt; color:#000000"></span></td></tr></table><span style="font-family:Helvetica,Arial; font-size:10pt; color:#000000"></span><span style="font-family:Helvetica,Arial; font-size:4pt; color:#000000">
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</span><span style="font-family:Helvetica,Arial; font-size:10pt; color:#000000"><i>table_name</i>
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<table width="100%" border="0" cellpadding="0" cellspacing="0"><tr valign="top"><td width="14"></td><td><span style="font-family:Helvetica,Arial; font-size:10pt; color:#000000">The name of an existing table.
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</span></span></td></tr></table><table width="100%" border="0" cellpadding="0" cellspacing="0"><tr valign="top"><td width="14"></td><td><span style="font-family:Helvetica,Arial; font-size:10pt; color:#000000"></span></td></tr></table><span style="font-family:Helvetica,Arial; font-size:10pt; color:#000000"></span><span style="font-family:Helvetica,Arial; font-size:4pt; color:#000000">
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</span><span style="font-family:Helvetica,Arial; font-size:10pt; color:#000000"><i>condition </i>
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<table width="100%" border="0" cellpadding="0" cellspacing="0"><tr valign="top"><td width="14"></td><td><span style="font-family:Helvetica,Arial; font-size:10pt; color:#000000">An expression that returns a value of type boolean. Only rows for which this expression returns true will be deleted. 
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<b>Example:
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</b><table width="100%" border="0" cellpadding="0" cellspacing="0"><tr valign="top"><td width="14"></td><td><span style="font-family:Helvetica,Arial; font-size:4pt; color:#000000"></span></span><span style="font-family:Helvetica,Arial; font-size:10pt; color:#000000">DELETE FROM developers WHERE name = 'Bob'
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