Category Archives: mysql

MySQL – RLIKE Operator Table of content MySQL RLIKE Operator The RLIKE operator in MySQL is used to search data in a database using patterns (or regular expressions), also known as pattern matching. In other words, the RLIKE operator is used to determine whether a given regular expression matches a record in a table or […]

MySQL – After Update Trigger Table of content A Trigger is simply defined as a response to an event. In MySQL, a trigger is a special stored procedure that resides in the system catalogue, and is executed whenever an event is performed. It is called a special stored procedure as it does not require to […]

MySQL – Before Delete Trigger Table of content In MySQL, a trigger is defined a special stored procedure that resides in the system catalogue, and is executed whenever an event is performed. It is called a special stored procedure as it does not require to be invoked explicitly like other stored procedures. The trigger acts […]