Category Archives: Mysql Interview

Mysql Interview Questions

How to remove duplicate entries from a table ?

Removing Duplicate entries from Mysql database table are really simple. I have found some times interviewer ask tricky questions like this. PHP-MYSQL Beginners  just be careful !

It can all be done with three manual SQL steps! No PHP Coding required, and it works with MySQL 4 and above versions.

Step One

Step Two – You hate to keep old table with all the duplicate entries, so drop it!

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