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From "xuxc1120" <xuxc1...@vip.qq.com>
Subject how to use index for this query situation?
Date Thu, 30 Oct 2014 07:50:03 GMT
table:
each col with local index(col1......coln), 
when i select data such as :
select col1,col2 from table where col1="test", the index works,
but if there are 2 or more conditions after "where" clause,the query will full scan the table;
is there any way to use index for such query?


thanks.
xuxc
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