Hello readers!. if you having the much of redundant/duplicate data growing in your database you can delete it with just a single query as i wrote here.let say i have a table address and want to delete ...

In this guide, we will discuss how to perform DELETE, TRUNCATE, And DROP operations on a MySQL database table using PHP in XAMPP in Linux.

Here, mysql_query () - execute the query and selects all the data with the same value from the employee table. mysql_num_rows () - This mysql function returns count of selected rows. If count is 0, it ...

Deletes rows from mysql in batches, it has small and big sleeps so that anything accessing the database can still hopefully run as normal. Ideal for leaving overnight when you have the parameters ...

Delete a project In this section, you will write the code to delete a project. This will require a little preparation. You must verify that ON DELETE CASCADE in the CREATE TABLE statements works to ...

Duplicate and Ignore on MySQL Inserts. MySQL table primary keys and unique indexes prevent multiple rows with the same index from being added to the table.