PHP Interview Questions and answers» MySql Questions archives – interview questions and answers http://www.phpinterviewquestions.com Prepare for your next php based interview with high confidence Mon, 26 Sep 2011 08:37:10 +0000 http://wordpress.org/?v=2.9.2 en hourly 1 Delete multiple duplicated rows http://www.phpinterviewquestions.com/mysql-interview-questions/delete-multiple-duplicate-rows/ http://www.phpinterviewquestions.com/mysql-interview-questions/delete-multiple-duplicate-rows/#comments Thu, 15 Apr 2010 10:52:56 +0000 Bart http://www.phpinterviewquestions.com/?p=137 How we can delete duplicate records of a table where it has no unique or primary keys?

Mysql
delete from table where x = ‘aaa’ limit 1;

Mssql
set rowcount 1;
delete from table where x = ‘aaa’;
set rowcount 0;

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