Top 10 differences between Functions and Procedures in SQL

Functions are Procedures are the most common concept used in advanced or complex applications to deal with data effectively and efficiently.

Please find the difference between Functions and Procedures as below:

Procedures	Functions
Procedures may or may not return a value	Functions always return a value
If Procedures returning a value, it can return one or N number of values	Functions return one and only one value
It can have parameters of type input or output	It has only input parameters
To specify the output parameters, we use output parameter	To specify output parameter, we use 'returns' clause
No need to use 'return' statement for returning the value. Assigning value to an output parameter is enough	To return a value we should use the 'return' statement
It allows Transaction management, error handling using Try-Catch and Error-Raising	None of the three are allowed
It allows call a procedure or a function from it	It allows to call functions but not procedures
A procedure cannot be embedded within a SELECT statement and executed	Function can be embedded directly under a SELECT statement and executed
To call Procedure 'EXECUTE' statement is used	To call Function 'SELECT' statement is used
It is used for defining the computer business logic	It is used for defining mathematical calculations