Thursday, 3 April 2014

DIFFERENCE BETWEEN STORED PROCEDURE AND FUNCTION IN SQL WITH EXAMPLE


DIFFERENCE BETWEEN STORED PROCEDURE AND FUNCTION IN SQL WITH EXAMPLE

PROCEDUREFUNCTION
Procedure can have both input\output parameters.
But function can have only input parameter.
Inside procedure we can use DML (INSERT/UPDATE/DELETE) statements.
But Inside function we can’t use DML statements.
We can’t utilize stored procedure in Select Statement.
But we can use function in Select Statement.
We can use Try-Catch Block in Stored Procedure.
But Inside function we can’t use Try-Catch block.
Procedure can’t be call inside a function.But we can call function inside a Procedure.
Procedure can return 0 or n values (max 1024).But function can return only 1 value which is mandatory.
We can go for transaction management in procedure.But we can't go in function.
Stored Procedures cannot be used in the
SQL statements anywhere in the WHERE/HAVING/SELECT section.
But we can use Function anywhere.
We can’t join Stored Procedure.But We can join functions.
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2 comments:

  1. WHat about result-set returning?
    I have had not deep knowledge yet but I had to create a function to return a result set. MIlos

    ReplyDelete
  2. Excellent article... Easy to understand... Its clear

    ReplyDelete