What are the differences between Stored procedures and functions?

Following are the main differences between functions and procedures:

A function has a return type and returns a value.A procedure does not have a return type. But it returns values using the OUT parameters.
You cannot use a function with Data Manipulation queries. Only Select queries are allowed in functions.You can use DML queries such as insert, update, select etc… with procedures.
A function does not allow output parametersA procedure allows both input and output parameters.
You cannot manage transactions inside a function.You can manage transactions inside a procedure.
You cannot call stored procedures from a functionYou can call a function from a stored procedure.
You can call a function using a select statement.You cannot call a procedure using select statements.

Updated on: 01-Nov-2023

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