What is the main difference between a procedure and a function?
What is the main difference between a procedure and a function?
A function returns a value and control to calling function or code. A procedure returns the control but not any value to calling function or code. A procedure has support for try-catch blocks. A select statement can have a function call.
What is the difference between a function and a stored procedure?
The function must return a value but in Stored Procedure it is optional. Even a procedure can return zero or n values. Functions can have only input parameters for it whereas Procedures can have input or output parameters. Functions can be called from Procedure whereas Procedures cannot be called from a Function.
What is difference between procedure and function in Plsql?
A procedure is a named PL/SQL block that carries out one or more actions. A function is a named PL/SQL block that returns a value.
What is the difference between function and procedure in VHDL?
The difference between these is that a VHDL function calculates and returns a value. In contrast, a VHDL procedure executes a number of sequential statement but don’t return a value.
What is the difference between procedure and function in postgresql?
In Postgres, the main functional difference between a function and a stored procedure is that a function returns a result, whereas a stored procedure does not. This is because the intention behind a stored procedure is to perform some sort of activity and then finish, which would then return control to the caller.
Which of the following is not a difference between procedure and function?
Which of the following is not a difference between procedure and function? Functions can be called from SQL whereas procedures cannot be called. Function can be used in place of an expression whereas a procedure can’t be used so. Functions are used for executing business logic and computation but a procedure is not.