writing procedure in sql server code example

Example 1: create procedure sql

CREATE PROCEDURE SelectAllCustomers @City nvarchar(30), @PostalCode nvarchar(10)
AS
SELECT * FROM Customers WHERE City = @City AND PostalCode = @PostalCode
GO;

Example 2: sql server stored procedure

CREATE PROCEDURE spGetEmployeeCountByGender
@Gender nvarchar(20),
@EmployeeCount int Output
AS
BEGIN
SELECT @EmployeeCount = COUNT(Id) 
FROM tblEmployee 
WHERE Gender = @Gender
END