Take the 2-minute tour ×
Database Administrators Stack Exchange is a question and answer site for database professionals who wish to improve their database skills and learn from others in the community. It's 100% free, no registration required.

So I have this query.

SELECT * 
FROM `Comment` 
WHERE `Target` = '".$_GET['pp']."' 
AND `Id` NOT IN (SELECT `Target` 
                 FROM `Delete` 
                 WHERE `Type` = 'comment') 
ORDER BY `Id` DESC;

This selects comments which aren't deleted and displays them to members.

How could I modify it to select everything but with an additional boolean (called Deleted)?

I've heard about IF statements in SQL but don't know whether it's appropriate here or how it works.

share|improve this question

1 Answer 1

Is this what you are looking for?

    select * 
    FROM Comment cm left join [Delete] del
     on del.[Target]=cm.Id
    where cm.[Target] = '".$_GET[''pp'']."'
    and Type = 'comment'
    and del.[Target] is null
    and deleted=0
share|improve this answer

Your Answer

 
discard

By posting your answer, you agree to the privacy policy and terms of service.

Not the answer you're looking for? Browse other questions tagged or ask your own question.