Is NOT EXISTS or LEFT OUTER JOIN...IS NULL more efficient for finding records in one table that aren't in another? Specifically, I'm trying to figure out which of the two queries below is better: ...
TableA.content is varchar2(4000), which was populated from a CLOB value that contains markup and text for a website, paragraphs actually. TableB.keyword contains a string that I want to find in TableA....
So I have this query. SELECT * FROM `Comment` WHERE `Target` = '".$_GET['pp']."' AND `Id` NOT IN (SELECT `Target` FROM `Delete` WHERE `Type` = 'comment') ORDER ...
I have something like: SELECT ((SELECT SUM(VAL_TOTALA_FEROASE+VAL_TOTALA_NEFEROASE+VAL_TOTALA_ALTELE1+VAL_TOTALA_ALTELE2+ ELIMINARE_FEROASE+ELIMINARE_NEFEROASE+ELIMINARE_ALTELE1+...