What is a SQL function VS stored procedure?

In a function, it is mandatory to use the RETURNS and RETURN arguments, whereas in a stored procedure is not necessary. In few words, a stored procedure is more flexible to write any code that you want, while functions have a rigid structure and functionality.

What is stored procedure and function in MySQL?

The stored procedure is SQL statements wrapped within the CREATE PROCEDURE statement. The stored procedure may contain a conditional statement like IF or CASE or the Loops. The stored procedure can also execute another stored procedure or a function that modularizes the code.

What is different between procedure and function?

Function is used to calculate something from a given input. Hence it got its name from Mathematics. While procedure is the set of commands, which are executed in a order.

What is the difference between function and stored procedure?

The difference between stored procedure and function is that a stored procedure is a set of SQL statements that can be executed on the RDBMS again and again while a function is a set of instructions written using a programming language that can be executed again and again.

How do you create a function in MySQL?

To create a function, you must have the INSERT privilege for the mysql system database. This is necessary because CREATE FUNCTION adds a row to the mysql.func system table that records the function’s name, type, and shared library name. An active function is one that has been loaded with CREATE FUNCTION and not removed with DROP FUNCTION.

What is the function of a stored procedure?

Stored Procedures is a tool that is used to perform any specific operations like Insert, Update or Delete in our database recursively and it can be used to alter or update any records in database. Unless function that returns only single value, stored procedures can return zero and many values at a time.

What is a function in MySQL?

Functions are simply pieces of code that perform some operations and then return a result. Some functions accept parameters while other functions do not accept parameters. Let’ briefly look at an example of MySQL function. By default, MySQL saves date data types in the format “YYYY-MM-DD”.