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SQL-Stored Procedures  

Pooja Goel  |   Nov 10, 2019  |  Views: 12

Description:

Stored Procedure is code in SQL which stored as object in a DB Server. It is group of one or more SQL statements.


It can accept parameter so that procedure can return values based on parameter. You can pass the one or multiple parameter.


Main Point of Stored procedure are follows:


  •    Stored procedure can return multiple value at a time.
  •    You can use DML statements such as  SELECT, INSERT, DELETE and UPDATE in a single stored procedure.
  •    Stored procedures are in Precompilations form.
  •    You can handle exception  by using TRY-CATCH block in Stored Procedure.
  •    You can call User-Defined Function in a stored Procedure.

Creating  Stored Procedure


Syntax:


CREATE PROCEDURE PROCEDURE_NAME
(Parameter_name 1 Datatype,
Parameter_name 2 Datatype,….)
AS
BEGIN
SQL_Statement
END

Executing Stored Procedure


Syntax:

EXEC  PROCEDURE_NAME

Example :

There is created “Student” Table in a database.



 

The Following SQL statement creates Stored procedure to get “Student” Records based on “ID” and “Qualification” parameters.


CREATE PROCEDURE SP_GETStudent_Records
(@Id int, @qualification varchar(20))
AS
BEGIN
SELECT * FROM STUDENT where Studentid=@ID AND  Qualification=@qualification
END

Executes the above created stored procedure by using below statement:


EXEC SP_GETStudent_Records 1,'10th'

Output :


 


Comments:
Content Contributor
Pooja Goel

Pooja Goel

Sr. Software developer at Damco Solutions Pvt. Ltd.  |   Noida, Uttar Pradesh, India

I am a sr. software developer working on technologies like SQL, SSIS, SSRS, DB2,Tableau, ASP.NET having 7 years of experience.


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