Superb DECODE function usage


	Superb DECODE function usage

yourfrienddhruv

10-9-2007 10:04 AM

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tags:

decode, sql

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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://www.clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/28cfd3d8-1863-4227-aae0-3445646e3c04/D717AF53-CCDB-4152-80D0-ED6302E8BAEA/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://techonthenet.com/oracle/functions/decode.php" href="http://techonthenet.com/oracle/functions/decode.php" style="font-size: 11px;">techonthenet.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://techonthenet.com/oracle/functions/decode.php"><P><B>Question</B>:  One of our viewers wanted to know how to use the decode function to compare two dates (ie: date1 and date2), where if date1 &gt; date2, the decode function should return date2. Otherwise, the decode function should return date1.</p> <P><B>Answer</B>:  To accomplish this, use the decode function as follows:</p> <BLOCKQUOTE class="sql_command">
          <P>decode((date1 - date2) - abs(date1 - date2), 0, date2, date1)</p> </BLOCKQUOTE>
        <P>The formula below would equal 0, if date1 is greater than date2:</p> <BLOCKQUOTE>
          <P>(date1 - date2) - abs(date1 - date2)</P></BLOCKQUOTE></blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/D717AF53-CCDB-4152-80D0-ED6302E8BAEA/blog/" title="blog or email this clip"><img src="http://content6.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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