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What does it mean MATCHCOLS=0 in EXPLAIN

 
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Analyst

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Joined: 06 Apr 2007
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Location: Singapore

PostPosted: Sun Apr 08, 2007 11:08 am    Post subject: What does it mean MATCHCOLS=0 in EXPLAIN
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What does it mean MATCHCOLS=0 in EXPLAIN?

Could anybody let me know,full details about EXPLAIN..I am searching but could not get full details of the EXPLAIN..
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wanderer

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PostPosted: Mon Apr 09, 2007 12:24 am    Post subject: Re: What does it mean MATCHCOLS=0 in EXPLAIN
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Look for Application-Programming-and-SQL-Guide for db2 in google. Even this forum has it listed in the Manuals link on top, I think.
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dick scherrer

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PostPosted: Mon Apr 09, 2007 5:03 am    Post subject:
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Hello,

Another interview question in the DB2 forum?

Not sure how you searched, but it is available. In fact, your exact question appears at multiple sites. . .

Tell us where and how you are searching and we'll help out if you cannot find it. . .
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Analyst

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PostPosted: Mon Apr 09, 2007 8:32 am    Post subject: Re: What does it mean MATCHCOLS=0 in EXPLAIN
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Hi All,

Now,I can find a complete description of EXPLAIN.I was browsing using DB2 + EXPLAIN but with not much results.But I checked on MATCHCOLS=0 and got the correct link..Thanks to all for your replies.

http://publib.boulder.ibm.com/infocenter/dzichelp/v2r2/index.jsp?topic=/com.ibm.db29.doc.pmtg/dz201.htm
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