Stored procedure in sql server
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A stored procedure is a group of SQL statements that is stored in a database. Stored procedures accept input parameters which allow a single procedure to be used by multiple clients, reducing network traffic and increasing performance. Stored procedures provide modular programming, faster execution, reduced network traffic, and better data security compared to other methods. Procedures differ from functions in that procedures can have input/output parameters and allow DML statements while functions can only have input parameters and only allow select statements.
Stored procedure in sql server
- 2. Stored procedure in sql server • Description: • A stored procedure is a group of sql statements that has been created and stored in the database. Stored procedure will accept input parameters so that a single procedure can be used over the network by several clients using different input data. Stored procedure will reduce network traffic and increase the performance.
- 3. Sample of creating Procedure • • • • • • • • • • • • • • • • • • • create procedure sp_department ( @department_name varchar(30), @department_active bit ) as begin insert into tbl_department ( department_name, department_active ) values ( @department_name, @department_active ) end exec sp_department 'kannada','true'
- 4. Advantages of using stored procedures a) Stored procedure allows modular programming. b) Stored Procedure allows faster execution. c) Stored Procedure can reduce network traffic. d) Stored procedures provide better security to your data
- 5. Differences between Stored Procedures and Functions • Procedure can return zero or n values whereas function can return one value which is mandatory. • Procedures can have input/output parameters for it whereas functions can have only input parameters. • Procedure allows select as well as DML statement in it whereas function allows only select statement in it. • Functions can be called from procedure whereas procedures cannot be called from function. • Procedures can not be utilized in a select statement whereas function can be embedded in a select statement.
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