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Stored functions can not produce results set as stored procedures do.

However, it is set to default and you can’t / don’t specify the input type. Stored functions only have one type of parameter which is the IN.We can call a stored function from the SQL statement.Stored functions can return only a single value.However, there are multiple differences between them which are as follows. Such as both are used to execute a block of code/statements. Stored Functions are somewhat similar to stored functions. You can think of a stored function as any regular function in programming languages such as C, C++ or Java.

However, it is not necessary to have a knowledge of stored procedure and you can still understand the MySQL stored function without any prior understanding.Īlso read: Create MySQL Stored Procedure What is a Stored Function?Ī MySQL stored function is a set of SQL instructions/statements that perform a certain task and return a single value. If you know about MySQL stored procedures, then it is easier to understand the stored function. In this tutorial, we will learn what is a stored function, its syntax, how it works, why do we need it and at the last, we will see a practical example to understand it better.