Comments in MySQL or MariaDB
If you need to comment out only single line, then you can use -- or #. If you are using -- then after -- use the space.
Example:
-- This is comment
Select * from customer
# Select * from employee
If you need to comment out multiple lines then you can use /* multiple line comments */.
/* Use customer table
to get information related to
customers
*/
Executable Comments :
MySQL provides executable comments , so the code will run on MySQL database but not on other databases systems.
/*! Your Code here */
This will run on MySQL database but not on other database systems.
How to use Comments in MySQL or Comments in MairaDB - MySQL Developer Tutorial
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