SQL Server Practice Set



Here One database schema is given, you need to do queries as per below database, if you need any help then please comments in below comments section and get instant help with an affordable prices.


Customer Table

CREATE TABLE CUSTOMER (

cID int PRIMARY KEY,

fNAME varchar (30) not null,

lName varchar (30),

Address varchar (50) not null,

Postcode int,

Email varchar (50) not null,

DOB date,

);



Car Table:

CREATE TABLE CAR (

CarID int PRIMARY KEY,

Make varchar (20) not null,

Model varchar (20) not null,

Type varchar (20) not null,

Year int not null,

Price MONEY,

);



Employee Table:

CREATE TABLE EMPLOYEE (

Eid int PRIMARY KEY,

fNAME varchar (30) not null,

lName varchar (30) not null,

Job varchar (30) not null,

Manager int,

Hired date,

);


Transaction Table:

CREATE TABLE Transactions (

tID int PRIMARY KEY,

cID int FOREIGN KEY REFERENCES CUSTOMER (cID),

carID int FOREIGN KEY REFERENCES CAR (carID),

eID int FOREIGN KEY REFERENCES EMPLOYEE (eID),

tDate date not null,

PickupDate date not null,

ReturnDate date not null,

);


Shift Table:

CREATE TABLE [SHIFT](

[sID] int PRIMARY KEY IDENTITY (1, 1),

[Day] varchar (20) not null,

startTime int not null,

endTime int not null,

);



Inserting Data Into Table


Inserting Into Customer:

INSERT INTO CUSTOMER VALUES (1001, 'Ken', 'Adams', '5 Shipton Creek', '2064', 'abc@email.com', '1988-04-12');

INSERT INTO CUSTOMER (cID, fNAME, Adress, Postcode, Email, DOB)

VALUES (1002, 'Ryu', '1 Oakwood', '3004', 'def@email.com', '1990-01-18');

INSERT INTO CUSTOMER VALUES (1003, 'Dhal', 'Sim', '8 Ivory lane' ,'5000' ,'ghi@email.com' ,'1991-03-07');

INSERT INTO CUSTOMER VALUES (1004, 'Elvis', 'Honda', '2 Bathhouse', '2000', 'jkl@email.com', '1993-04-17');

INSERT INTO CUSTOMER VALUES (1005, 'Mike', 'Balrog', '9 Club road', '3174' ,'mno@email.com' ,'1996-06-21');

INSERT INTO CUSTOMER VALUES (1006, 'Martin', 'Bison' ,'12 Show Ground' ,'4000' ,'pqr@email.com', '1990-07-12');

INSERT INTO CUSTOMER VALUES (1007, 'Chun', 'Li' ,'6 Market street' ,'2000' ,'stu@email.com' ,'1984-09-18');

INSERT INTO CUSTOMER VALUES (1008, 'Zan' ,'Gif', '7 Mill View' ,'3010' ,'vwx@email.com' ,'1998-02-02');

INSERT INTO CUSTOMER (cID, fNAME, Adress, Postcode, Email, DOB)

VALUES (1009, 'Sagar', '11 Temple wood', '3064', 'yz@email.com', '1986-03-01');

INSERT INTO CUSTOMER VALUES (1010,'Warren' ,'Gates' ,'3 Wind Crescent', '2000', '123@email.com', '1984-09-18');

INSERT INTO CUSTOMER VALUES (1011, 'Jeff', 'Buffet', '9 Chariot point' ,'3010' ,'456@email.com' ,'1997-02-02');

INSERT INTO CUSTOMER VALUES (1012,'Steve', 'Bezos' ,'11 Riverview', '3063', '789@email.com' ,'1986-03-01');

INSERT INTO CUSTOMER VALUES (1013, 'Bill' ,'Jobs' ,'15 Apple court' ,'2000' ,'10@emailcom' ,'1996-06-21');

INSERTINTO CUSTOMER VALUES(1014,'Mansa','Musa','13 Timbuktu','3172','A1email.com','1999-07-12');


Inserting Into Transaction:

INSERT INTO Transactions VALUES (1001, 1005 ,1001, 105 ,'20180412', '20180422' ,'20180426');

INSERT INTO Transactions VALUES (1002 ,1006 ,1004, 104 ,'20180418', '20180428' ,'20180429');

INSERT INTO Transactions VALUES (1003 ,1003 ,1005, 104 ,'2018-04-12', '2018-04-21' ,'2018-04-22');

INSERT INTO Transactions VALUES (1004 ,1004 ,1001, 105 ,'2018-04-17', '2018-04-21' ,'2018-04-27');

INSERT INTO Transactions VALUES (1005 ,1008 ,1006, 106 ,'2018-04-21', '2018-04-23' ,'2018-04-25');

INSERT INTO Transactions VALUES (1006 ,1001 ,1001, 106 ,'2018-04-21', '2018-04-29', '2018-05-21');


Inserting Into Car:

INSERT INTO CAR VALUES ('1001', 'Toyota', 'Camry', 'Sedan' ,'2018' ,'$150');

INSERT INTO CAR VALUES ('1002', 'VW', 'Passat' ,'Sedan' ,'2016' ,'$160');

INSERT INTO CAR VALUES ('1003' ,'Mazda' ,'CX5' ,'C-SUV', '2017' ,'$190');

INSERT INTO CAR VALUES ('1004', 'Ford' ,'Focus' ,'Hatch' ,'2019' ,'$140');

INSERT INTO CAR VALUES ('1005' ,'Toyota' ,'HiLux', 'Ute' ,'2018' ,'$250');

INSERT INTO CAR VALUES ('1006' ,'Kia' ,'Carnival' ,'Minivan' ,'2017' ,'$200');


Inserting Into Employee:

INSERT INTO EMPLOYEE VALUES ('101', 'Adam' ,'Smith' ,'Manager', '102', '1998-04-12');

INSERT INTO EMPLOYEE (Eid, fNAME, lName, Job, Hired)

VALUES ('102', 'Marry' ,'Jane' ,'CEO' ,'1997-01-18');

INSERT INTO EMPLOYEE VALUES ('103', 'Eliza' ,'Rynd', 'Manager' ,'102' ,'1999-03-07');

INSERT INTO EMPLOYEE VALUES ('104', 'Imran', 'Khan' ,'Sales' ,'101' ,'2003-04-17');

INSERT INTO EMPLOYEE VALUES ('105', 'Wally' ,'Ham' ,'Sales' ,'101' ,'2006-06-21');

INSERT INTO EMPLOYEE VALUES ('106', 'Jack Hobbs' ,'Sales' ,'101', '2000-07-12');

INSERT INTO EMPLOYEE VALUES ('107', 'Don', 'Bradman', 'Advertng', '101', '2014-09-18');

INSERT INTO EMPLOYEE VALUES ('108', 'Nawab', 'Pat' ,'Accounts', '103' ,'2008-02-02');

INSERT INTO EMPLOYEE VALUES ('109' ,'Jack', 'Odumbe', 'Accounts', '103', '2016-03-01');



Inserting Into Shift:

SET IDENTITY_INSERT [shift] ON

INSERT INTO [shift] ( [sID] ,[Day], [startTime] ,[endTime] )

VALUES (1, 'Monday', 0900, 1700),

(2, 'Tuesday', 0900 ,1700),

(3 ,'Wednesday', 0900 ,1700),

(4 ,'Thursday' ,0900, 1700),

(5, 'Friday', 0900 ,1700),

(6 ,'Friday' ,1200 ,2000),

(7 ,'Saturday' ,0900 ,1700),

(8, 'Saturday', 1200, 2000),

(9, 'Sunday', 1000, 1600);

SETIDENTITY_INSERT [shift] OFF



Answer the below queries


Q1

Create a view called ‘Young_Customers’, that displays all information for Customers who are less than 25 years of age


Q2

Write a stored procedure called ‘Tax_Due’. The procedure should require a transaction id as input and display the tax for that transaction. Tax is calculated as 10% of the transaction value (transaction value = car price * number of days). Execute the procedure for transaction 1002.


Q3

Write a trigger called ‘TransactionInfo’. The trigger should run whenever a new row is added or an existing row is updated in the Transaction table. It should display the transaction id, car make, car model, pickup and return dates. A query should be written to test the trigger.


Q4

Write a query to display the number of transactions for each type of car. The output should have a separate row for each type of car such as sedan, hatch, ute etc.


Q5

Write a query to display the day on which the CEO joined the company. Hint: There are functions that can be used to display day of week for dates.


Q6

Write a query to display all information about the manager who manages the greatest number of employees. Hint: The manager column in the employee table contains eID (employee ID) for Managers.


Q7

Write a query to display each employees’ fName, lName, and commission. Commission is calculated as 2.5% of the transaction value. Hint: Have a look at the transaction table and you will find the employee who was responsible for each transaction.


Q8

Write a query to display the employees who will be working today. You should use a built-in function to identify which day of the week it is today. Use this day to extract information form the timetable




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