Report database management system topic human resource management

BusinessEntity1D, FirstName, LastName, JobTitle, Gender FROM HumanResources.Employee, Person.Person WHERE Employee.BusinessEntityID = Person.BusinessEntityTD 60 --2/ Create view to displ

THU DAU MOT UNIVERSITY INSTITUTE OF ENGINEERING TECHNOLOGY

PAI HOC

\ rit DAU MOT

2009 THỦ DAU MOT UNIVERSITY

REPORT

DATABASE MANAGEMENT SYSTEM

TOPIC

HUMAN RESOURCE MANAGEMENT

Teacher: MS Neuyen Thi Thuy Group members:

1/ Duong Hoai Nam

Student code: 21280103E0020 2/ Nguyen Tan Dat

Student code: 21280103E0017 Class: D21EN.KTPM01

Oct - 2022

TABLE OF CONTENTS

1.About the Database

2.Description the Database

3.Relationship diagram

CHAPTER 2 OPERATIONS ON THE DATABASTE co eSSSSe re

2 simple conditional views (on Ì tablÌe, multiple fables) ««<

2 views with complex conditions

oe

2.Create Stored procedures

1 procedure with default parameters

1 procedure with output parameter

2 procedures with input parameters

2 functions that return scalar type Co

2 functions that return a table

1 function that returns a self-defined table

4.Create Triggers and Transactions

1 Trigger Insert

1 Trigger Update

5.Create users

Create 2 users and decentralize these 2 ([ƒGFCHÍ HSGFS Ăc<<<<<<+ CHAPTER 3 CONCLUSION

1.Results

2,.Limitations (not yet done)

INTRODUCTION

Databases are phrases that are used a lot in the fields of data, software

programming, information technology, websites, etc are extremely important

components for building and developing software and applications on the Internet mobile and PC platforms

In today's digital age, when enterprises effectively manage the database, resources will be optimized, processes will be streamlined and the performance of all

employees will be increased

So in this report, my team will demonstrate some operations on the database, with Microsoft's sample database Adventure Work2019

CHAPTER 1 DATABASE MANAGEMENT

1 About the Database

Adventure Works Database is a Microsoft product sample for an online transaction processing (OLTP) database The AdventureWorks Database supports a fictitious, multinational manufacturing company called Adventure Works Cycles

Microsoft highlight SQL Server features with the Adventure Works Database,

various versions of which can be downloaded at the SQL Server community projects and samples page on CodePlex, a Microsoft open source project site Downloads include Adventure Works Database 2008 and Adventure Works Database 2012

Adventure Works Database is also used in code examples found in SQL Server documentation and books There are also versions for SQL Azure and SQL Server

2005

2 Description the Database

In this report, my team will perform operations on the tables under the topic of Human Resource Management, including:

> Person (Person)

AdditionalContactInfo xml

ModifiedDate datetime

> Employee (Humanresources)

NationalIDNumber nvarchar(15)

OrganizationNode hierarchyid

OrganizationLevel

SickLeaveHours smallint

> JobCandidate (Humanresources)

ModifiedDate datetime

> SalesPerson (Sales)

ID

Sal

Bonus

CommissionPct

SalesYTD

SalesLast Year

rowegul

ModifiedDate

smallmon

datetime

> EmployeePayHistory (HumanResources)

ID

eDate

int datetime

> Shift (HumanResources)

3

Relationship diagram

JobCandidate (HumanResources)

# ®bLandidsleD Wanesfebtyl2

đan me

Magife47Ate (HumanResources)

© dunresstentyD 5 f4 sêCvhing tsgáoyee EesezZ6f21

logan

Onperezportiode

(roanzeoosd evel sebTitie

BrmOate

Martalstans #19 _0amesgtretyŸ

Gower

EmploveeDepartmentHistory (HumanResources) SalanedFing

Mod SecDete

oe “TP”

Ê\ EngkgesoeppTrertesyv, tết GEN

4 ÉrgleyseQepe“Trevts4zeyr/ (xeowyArxes| Deaw^reee(T \_S9le#fprbon_Engloyet 90949670001

Shift (HumanResources)

† SưMO

Name

Department (HumanResources) StartTime

GupNeee

MoaheuDute

(me Promebor

CHAPTER 2 OPERATIONS ON THE DATABASE

1 Create View

Create 5 View by levels

v 2 simple conditional views (on I table, multiple tables):

1/ Create view to display male employees who under 35 years old and still single

CREATE VIEW VIEWL

AS

SELECT Employee BusinessEntity1D, FirstName, LastName, JobTitle, Gender

FROM HumanResources.Employee, Person.Person

WHERE Employee.BusinessEntityID = Person.BusinessEntityTD

60

2/ Create view to display employees who work in the evening shift

CREATE VIEW VIEW2

AS mờ

SELECT Employee.BusinessEntityID, FirstName, LastName, JobTitle, Gender

FROM HumanResources Employee, Person.Person

WHERE Employee BusinessEntityID = Person BusinessEntityID

AND Employee.BusinessEntityID IN (SELECT BusinessEntityID

FROM HumanResources.EmployeeDepartmentHistory, HumanResources.Shift WHERE EmployeeDepartmentHistory.ShiftID = Shift.ShiftID AND Shift.Name = ‘Evening’ )

60

v2 views with complex conditions

/* 3/ Create view to display employees with organization level is 3,

under 4@ years old and work in the night shift */

CREATE VIEW VIEW3

AS

SELECT Employee.BusinessEntityID, FirstName, LastName, JobTitle, Gender

FROM HumanResources Employee, Person.Person

WHERE Employee.BusinessEntityID = Person.BusinessEntityID

AND Employee BusinessEntityID IN (SELECT BusinessEntityID

FROM HumanResources.EmployeeDepartmentHistory, HumanResources Shift

WHERE EmployeeDepartmentHistory.ShiftID = Shift.ShiftID AND Shift.Name = 'Night')

AND DATEDIFF(YY, Employee.BirthDate, GETDATE()) < 40

AND OrganizationLevel = 3

60

/* 4/ Create view to display infomation of male employees over 40

that has salary hourly rate less than 15 */

CREATE VIEW VIEW4

AS

SELECT Employee.BusinessEntityID, FirstName, LastName, JobTitle, Gender

FROM HumanResources.Employee, Person.Person

WHERE Employee.BusinessEntityID = Person.BusinessEntity1D

FROM HumanResources Employee JOIN HumanResources EmployeePayHistory

ON Employee.BusinessEntityID = EmployeePayHistory.BusinessEntityID

WHERE Gender = 'MM' AND DATEDIFF(YY,BirthDate,GETDATE()) > 40 AND RATE < 15)

G0

~ 1 view data update

/* 5/ Create an updated view to increase 10% of hourly salary rate for employees who have worked for more than 19 years */

CREATE VIEW VIEWS

AS

SELECT *

FROM HumanResources EmployeePayHistory

GO

UPDATE VIEWS

SET Rate = Rate + (Rate*10/1@0)

WHERE BusinessEntityID IN ( SELECT BusinessEntityID

FROM HumanResources Employee WHERE DATEDIFF(YY, Employee.HireDate, GETDATE()) > 10)

GO

2 Create Stored procedures

¥ 1 non-parametric procedure

/* 1/ Non-parametric procedure: Display the number of MALE employees */ CREATE PROC PROC1

AS

BEGIN

DECLARE @T INT

SET @T = (SELECT COUNT(*)

FROM HumanResources Employee

WHERE Gender = 'M')

IF(@T > 1)

PRINT ‘THERE ARE '+RTRIM(CAST(@T AS CHAR) )+' EMPLOYEES'

ELSE

PRINT 'THERE IS '+RTRIM(CAST(@T AS CHAR) )+' EMPLOYEE’

END

G0

~ 1 procedure with default parameters

/* 2/ Procedure with default parameter: Display the information

of the employees when user enter the BusinessEntityID, set default as 1 */

CREATE PROC PROC2 (@T INT = 1)

AS

BEGIN

IF EXISTS (SELECT * FROM HumanResources.Employee WHERE BusinessEntityID = @T)

SELECT Employee.BusinessEntityID, FirstName, LastName, JobTitle, Gender

FROM HumanResources.Employee, Person.Person

WHERE Employee.BusinessEntityID = Person.BusinessEntityID AND Employee.BusinessEntityID = @T ELSE

PRINT 'THE EMPLOYEES IS NOT EXISTS'

END

GO

¥ 1 procedure with output parameter

/* 3/ Procedure with output parameter: Display the highest hourly

salary rate of the employees of the organization level that the user entered*/

CREATE PROC PROC3 (@T INT , @A FLOAT OUT)

AS

BEGIN

IF(@T > @) AND (@T <5)

SET @A = (SELECT TOP 1 Rate

FROM HumanResources Employee JOIN HumanResources EmployeePayHistory

ON Employee.BusinessEntityID = EmployeePayHistory.BusinessEntityID WHERE OrganizationLevel = @T

ORDER BY Rate DESC)

ELSE

PRINT ‘INVALID ORGANIZATION LEVEL'

END

GO

~ 2 procedures with input parameters

/* 1-Count the number of employees whose hourly salary rate is below

the number entered by user */

CREATE PROC PROC4_1 (@T FLOAT)

AS

BEGIN

IF(@T > @)

BEGIN

DECLARE @A INT

SET @A = (SELECT COUNT(*)

FROM HumanResources EmployeePayHistory

WHERE Rate < @T)

IF (@A>1)

PRINT ‘THERE ARE '+RTRIM(CAST(@A AS CHAR) )+' EMPLOYEES WITH ORGANIZATION LEVEL IS '+RTRIM(CAST(@T AS CHAR))

ELSE

PRINT "THERE IS '+RTRIM(CAST(@A AS CHAR) )+' EMPLOYEE WITH ORGANIZATION LEVEL IS '+RTRIM(CAST(@T AS CHAR) ) END

ELSE

PRINT ‘INVALID ORGANIZATION LEVEL'

END

G0

/* 2-Display the department and the shift of an

employee when user enter a BusinessEntity10 */

CREATE PROC PROC4_2 (@T INT)

AS

BEGIN

IF EXISTS (SELECT * FROM HumanResources.EmployeeDepartmentHistory WHERE BusinessEntityID = @T) SELECT BUSINESSENTITYID, DEPARTMENT.NAME AS DEPARTMENT NAME, SHIFT NAME AS SHIFT_NAME

FROM HumanResources EmployeeDepartmentHistory EDH, HumanResources.Department, HumanResources Shift WHERE EDH.DepartmentID = Department.DepartmentID AND EDH.ShiftID = Shift ShiftID

AND EDH.BusinessEntityID = @T

ELSE

PRINT 'THE EMPLOYEES IS NOT EXISTS"

END

G0

3 Create User defined Function

~ 2 functions that return scalar type

1.1/ Function returns the number of months that the employee has worked when the user enter the BusinessEntityID

CREATE FUNCTION FN1_1 (@T INT)

AAAARA

RETURNS INT

AS

BEGIN

DECLARE @A INT

IF EXISTS ( SELECT * FROM HumanResources.Employee WHERE BusinessEntityID = @T) BEGIN

SET @A = (SELECT DATEDIFF(MM, HireDate, GETDATE())

FROM HumanResources Employee

WHERE BusinessEntityID = @T)

END

ELSE

SET @A = @

RETURN @A

END

G0

1.2/ Function returns the average hourly salary rate of a Department

when the user enter the DepartmentID

RETURNS FLOAT

AS

BEGIN

DECLARE @A FLOAT

IF EXISTS (SELECT * FROM HumanResources.Department WHERE DepartmentID = @T)

BEGIN

SET @A = (SELECT AVG(Rate)

FROM HumanResources EmployeePayHistory

FROM HumanResources EmployeeDepartmentHistory AS EDH

END

ELSE

SET @A = 9

RETURN @A

END

60

~ 2 functions that return a table

2/ Function that return a table

2.1/ Function return the information of employees of a Department when user enter name of Department CREATE FUNCTION FN2 1 (@T VARCHAR)

RETURNS TABLE

AS

RETURN SELECT Employee BusinessEntityID, FirstName, LastName, JobTitle, Gender

FROM HumanResources Employee, Person Person

WHERE Employee BusinessEntityID = Person BusinessEntityID

AND Employee BusinessEntityID IN (SELECT BusinessEntity10

FROM HumanResources.EmployeeDepartmentHistory AS EDH, HumanResources Department

WHERE EDH.DepartmentID = Department DepartmentID

AND Department.Name LIKE @T)

60

/* 2.2/ The function returns the information of employees who are paid monthly and have hourly salary rate above the number entered by the user */

CREATE FUNCTION FN2 2 (@T FLOAT)

RETURNS TABLE

AS

RETURN SELECT Employee.BusinessEntityID, FirstName, LastName, JobTitle, Gender

FROM HumanResources Employee, Person.Person

WHERE Employee BusinessEntityID = Person BusinessEntityID

AND Employee.BusinessEntityID IN (SELECT BusinessEntityID

FROM HumanResources.EmployeePayHistory WHERE Rate > @T AND PayFrequency = 1)

60

~ 1 function that returns a self-defined table

3/ Function that returns a self-defined table

/* Function that allow user enter the name of department,

return the information of employees of that department who have

worked for more than 1@ years, the information include business entity id, job title,

gender and hire date */

CREATE FUNCTION FN3 (@T NVARCHAR(3@) )

RETURNS @TAB TABLE (BusinessEntityID INT, Job_Title VARCHAR(3@), Gender VARCHAR(1), HireDate DATE)

AS

BEGIN

IF EXISTS ( SELECT * FROM HumanResources.Department WHERE Department.Name LIKE @T)

INSERT INTO @TAB

SELECT Employee BusinessEntityID, JobTitle, Gender, HireDate

FROM HumanResources Employee, HumanResources.EmployeeDepartmentHistory AS EDH,

HumanResources Department

WHERE Employee BusinessEntityID = EDH.BusinessEntityID AND EDH.DepartmentID = Department DepartmentID AND Department Name LIKE @T

AND DATEDIFF(YY, HireDate, GETDATE()) > 10

RETURN

END

60

4 Create Triggers and Transactions

Y 1 Trigger Insert

1/ Trigger Insert : Trigger not allow user enter the new salary lower than the old one

CREATE TRIGGER TRGL

ON HumanResources EmployeePayHistory

FOR INSERT

AS

BEGIN

IF (SELECT Rate FROM inserted) < (SELECT TOP 1 EPH.Rate

FROM HumanResources.EmployeePayHistory AS EPH, inserted

WHERE inserted.BusinessEntityID = EPH.BusinessEntity1D

ORDER BY EPH.Rate DESC) BEGIN

PRINT ‘The new salary cannot be lower than the old one’

ROLLBACK TRAN

END

ELSE

COMMIT TRAN

END

GO

~ 1 Trigger Update

2/ Trigger Update : Trigger increase hourly salary rate by 20% for newly married employees

CREATE TRIGGER TRG2

ON HumanResources Employee

AFTER UPDATE

AS

BEGIN

IF (SELECT MaritalStatus FROM inserted) = 'M'

UPDATE HummanResources EmployeePayHistory

SET Rate = Rate + (Rate*@.2)

WHERE BusinessEntityID IN (SELECT BusinessEntityID FROM inserted)

END

G0

Y 1 Trigger Delete

3/ Trigger Delete : Trigger for disallowing users to delete applications from

people who have not yet been hired

CREATE TRIGGER TRG3

ON HumanResources JobCandidate

FOR DELETE

AS

BEGIN

IF (SELECT BusinessEntityID FROM deleted) IS NULL

BEGIN

PRINT ‘CAN NOT DELETE THIS JOB CANDIDATE"

ROLLBACK TRAN

END

ELSE

COMMIT TRAN

END

G0

Y 2 Transaction

1/ Not Explicit transaction: Update Chief Executive Officer's middle name to ‘Oliver'

UPDATE Person.Person

SET MiddleName = '011ver'

WHERE BusinessEntityTD = (SELECT BusinessEntityTD

FROM HumanResources Employee

60

/* 2/ Explicit transaction: employees who have not been assigned territories

are assigned a sales quota of 259999, count the number of sales person

with a quota of less than 380009 */

BEGIN TRAN

UPDATE Sales.SalesPerson

SET SalesQuota = 250000

WHERE TerritoryID IS NULL

SELECT COUNT(*) AS Quota_below_300800

FROM Sales.SalesPerson

WHERE SalesQuota < 300000

ROLLBACK TRAN

60

5 Create users

~ Create 2 users and decentralize these 2 different users