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Section 5 Lab

The document outlines a series of SQL stored procedures for managing employee records in a database. Procedures include inserting employee data, checking salaries, updating names, selecting employees by department, deleting records in a range, and counting employees per department. Additional procedures allow for optional parameters during insertion and retrieving specific employee details based on their ID.

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15 views4 pages

Section 5 Lab

The document outlines a series of SQL stored procedures for managing employee records in a database. Procedures include inserting employee data, checking salaries, updating names, selecting employees by department, deleting records in a range, and counting employees per department. Additional procedures allow for optional parameters during insertion and retrieving specific employee details based on their ID.

Uploaded by

komeha089
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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-- 1.

Create a procedure that can insert full record in employee

CREATE PROCEDURE InsertEmployee

@id INT, @name NVARCHAR(100), @address NVARCHAR(255), @salary MONEY, @department


NVARCHAR(100)

AS BEGIN

INSERT INTO Employee (ID, Name, Address, Salary, Department)

VALUES (@id, @name, @address, @salary, @department);

END;

-- 2. Create a procedure to check salary and print result

CREATE PROCEDURE CheckSalary @emp_id INT

AS BEGIN

DECLARE @salary MONEY;

SELECT @salary = Salary FROM Employee WHERE ID = @emp_id;

IF @salary >= 2500

PRINT '>=2500';

ELSE

PRINT '<2500';

END;

-- 3. Update employee name given its ID

CREATE PROCEDURE UpdateEmployeeName

@emp_id INT, @new_name NVARCHAR(100)

AS BEGIN

UPDATE Employee

SET Name = @new_name

WHERE ID = @emp_id;

END;
-- 4. Select employee data given its department

CREATE PROCEDURE GetEmployeesByDepartment

@department NVARCHAR(100)

AS

BEGIN

SELECT * FROM Employee WHERE Department = @department;

END;

-- 5. Using loop, delete records from ID 1 to 10

CREATE PROCEDURE DeleteEmployeesInRange

AS

BEGIN

DECLARE @id INT = 1;

WHILE @id <= 10

BEGIN

DELETE FROM Employee WHERE ID = @id;

SET @id = @id + 1;

END;

END;

-- 6. Procedure to insert only ID and Name using the first procedure

CREATE PROCEDURE InsertEmployeeIDName

@id INT, @name NVARCHAR(100)

AS

BEGIN

EXEC InsertEmployee @id, @name, NULL, NULL, NULL;


END;

-- 7. Insert into Employee Table with optional parameters

CREATE PROCEDURE InsertOptionalEmployee

@id INT,

@name NVARCHAR(100) = NULL,

@address NVARCHAR(255) = NULL,

@salary MONEY = NULL,

@department NVARCHAR(100) = NULL

AS

BEGIN

INSERT INTO Employee (ID, Name, Address, Salary, Department)

VALUES (@id, @name, @address, @salary, @department);

END;

-- 8. Procedure that returns number of employees per department

CREATE PROCEDURE CountEmployeesByDepartment

AS

BEGIN

SELECT Department, COUNT(*) AS EmployeeCount FROM Employee

GROUP BY Department;

END;

-- 9. Procedure that takes emp id and returns its name and salary

CREATE PROCEDURE GetEmployeeDetails

@emp_id INT, @name NVARCHAR(100) OUTPUT, @salary MONEY OUTPUT

AS
BEGIN

SELECT @name = Name, @salary = Salary FROM Employee WHERE ID = @emp_id;

END;

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