sql server stored procedure
CREATE PROCEDURE spGetEmployeeCountByGender
@Gender nvarchar(20),
@EmployeeCount int Output
AS
BEGIN
SELECT @EmployeeCount = COUNT(Id)
FROM tblEmployee
WHERE Gender = @Gender
ENDsql server stored procedure
CREATE PROCEDURE spGetEmployeeCountByGender
@Gender nvarchar(20),
@EmployeeCount int Output
AS
BEGIN
SELECT @EmployeeCount = COUNT(Id)
FROM tblEmployee
WHERE Gender = @Gender
ENDExplain the Stored Procedure
Stored Procedure :
A stored procedure is a prepared SQL code that you can save,
so the code can be reused over and over again.
So if you have an SQL query that you write over and over again,
save it as a stored procedure, and then just call it to execute it.
You can also pass parameters to a stored procedure,
so that the stored procedure can act based on the parameter value(s)
that is passed.what is procedure in sql
-Stored procedure is a group of SQL
statements that has been created
and stored in the database.
-A stored procedure will accept input
parameters so that a single procedure
can be used over the network by several
clients using different input data.
-A stored procedures will reduce
network traffic and increase the performance.
If we modify a stored procedure all the
clients will get the updated stored procedure.
Sample of creating a stored procedure
CREATE PROCEDURE test_display AS
SELECT FirstName, LastName FROM tb_test
EXEC test_displaysql procedure
CREATE OR REPLACE PROCEDURE my_scheme.my_procedure(param1 IN VARCHAR2) IS
cnumber NUMBER;
BEGIN
cnumber := 10;
INSERT INTO my_table (num_field) VALUES (param1 + cnumber);
COMMIT;
EXCEPTION
WHEN OTHERS THEN
raise_application_error(-20001, 'An error was encountered - '
|| sqlcode || ' -ERROR- ' || sqlerrm);
END;Copyright © 2021 Codeinu
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