What is function in MySQL with example?

What is a function in MySQL?

What is a function in MySQL? In MySQL, a function is a stored program that you can pass parameters into and then return a value.

Why do we use functions in MySQL?

Typically, you use stored functions to encapsulate common formulas or business rules that are reusable among SQL statements or stored programs. Different from a stored procedure, you can use a stored function in SQL statements wherever an expression is used.

What are the two types of functions in MySQL?

Types of functionsStrings functions – operate on string data types.Numeric functions – operate on numeric data types.Date functions – operate on date data types.Aggregate functions – operate on all of the above data types and produce summarized result sets.

What is a stored function explain with example?

A stored function (also called a user function or user-defined function) is a set of PL/SQL statements you can call by name. Stored functions are very similar to procedures, except that a function returns a value to the environment in which it is called. User functions can be used as part of a SQL expression.