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Saturday, March 28, 2009

Oracle-like ROWNUM in MySQL


It needs sometimes to exactly mimic Oracle’s ROWNUM where is no possibility to initiate a counter in previous statement by SET @rownum:=0;.

It is still possible in a single SQL.

SELECT @rownum:=@rownum+1 rownum, t.*FROM (SELECT @rownum:=0) r, mytable t;


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