This document describes SQL commands used to create tables, insert data, update data, and query data from various tables in a sample database. The tables created include Employee, Department, Dept_Location, Works_On, Project, and Dependent. Data is inserted into these tables and queries are written to retrieve specific data fields and relationships between the tables.

1. SQL
Database and Management System
By Manish

2. SQL
BASIS
COMMANDS

3. CREATE COMMAND:
1. EMPLOYEE TABLE:
CREATE TABLE EMPLOYEE
(
Fname varchar(15) not null,
Minitchar,
Lname varchar(15) not null,
ssn char(9) not null primarykey,
Bdate Date,
Addressvarchar(30),
Sex char,
Salarynumber,
Super_ssnchar(9) notnull ,
Dnoint
);
2. DEPARTMENT TABLE:
CREATE table department
(
Dname varchar(15) not null,
DnumberINTegernotnull PRIMARYKEY,
mgr_ssn char(9) not null,
mrg_start_date date
);
3. DEPT_LOCATION TABLE:
CREATE TABLE DEPT_LOCATION (
DnumberintegernotnulL,
Dlocationvarchar(15) not null,
PRIMARYKEY(Dnumber,Dlocation) );

4. 4. WORKS_ON TABLE:
CREATE TABLE WORKS_ON
(
Essnchar(9) not null,
PnoINt,
hoursnumber,
PRIMARYKEY(ESSN,PNO)
);
5. PROJECT TABLE:
CREATE TABLE PROJECT
(
Pname varchar(10) not null,
PnumberINTnotnull PRIMARY KEY,
Plocationvarchar(15),
DmunINT
);
6. DEPENDENT TABLE:
CREATE TABLE DEPENDENT
(
Essn char(9) notnull,
Dependent_namevarchar(15) notnull PRIMARY KEY,
Sex char ,
Bdate time,
Relationshipvarchar(10)
);

5. INSERT COMMAND:
INSERTING TUPLES INTO EMPLOYEE TABLE:
1. INSERT INTO EMPLOYEE VALUES (‘John’,’B’,’Smith’,’123456789’,’1965-01-09’,’731 Fondren, Houston,
TX’,’M’,30000,333445555,5)
2. INSERT INTO EMPLOYEE VALUES (‘Franklin’,’T’,’Wong’,333445555’,’1955-13-08’,’638 Voss,Houston,
TX’,’M’,40000,888665555,5)
3. INSERT INTO EMPLOYEE VALUES (‘Alicia’,’J’,’Zelaya’,’999887777’,’1968-01-19’,’3321 Castle,Spring,
TX’,’F’,25000,987654321,4)
4. INSERT INTO EMPLOYEE VALUES (‘Jennifer’,’S’,’Wallace’,’987654321’,’1941-06-20’,’291 Berry,Bellaire,
TX’,’F’,43000,888665555,4)
5. INSERT INTO EMPLOYEE VALUES (‘Ramesh’,’K’,’Narayan’,’666884444’,’1962-09-15’,’975 FireOak, Humble,
TX’,’M’,38000,333445555,5)
6. INSERT INTO EMPLOYEE VALUES (‘Joyce’,’A’,’English’,’453453453’,’1972-07-31’,’5631 Rice
,Houston,TX’,’F’,25000,333445555,5)
7. INSERT INTO EMPLOYEE VALUES (‘Ahmed’,’V’,’Jabbar’,’987987987’,’1969-03-29’,’980 Dallas,Houston,
TX’,’M’,25000,987654321,4)
8. INSERT INTO EMPLOYEE VALUES (‘James’,’E’,’Borg’,’888665555’,’1937-11-10’,’450 Stone, Houston,
TX’,’M’,55000,NULL,1)
EMPLOYEE
Fname Minit Lname Ssn Bdate Address Sex Salary Super_ssn Dno
Ahmad V Jabbar 987987987 29-Mar-69 980,Dallas Houstontx M 25000 987654321 4
Alicia J Zelaya 999887777 19-Jan-68 3321 castle,springtx F 25000 987654321 4
FranklinT Wong 333445555 08-Dec-55 638 voss,Houstontx M 40000 888665555 5
James E Borg 888665555 10-Nov-37 450 Stone ,Houstontx M 55000 1
JenniferS Wallace 987654321 20-Jun-41 291 berry,Bellaire,tx F 43000 888665555 4
John B Smith 123456789 09-Jan-65 731 Fondren,Houston,TX M 30000 333445555 5
Joyce A English 453453453 31-Jul-72 5631 Rice,Houstontx F 25000 333445555 5
RameshK Narayan 666884444 15-Sep-62 975,Fire Oak ,Humble,tx M 38000 333445555 5
INSERTING TUPLES INTO DEPARTMENT TABLE:
1. INSERT INTO DEPARTMENT VALUES (‘Research’,5,333445555,’1988-05-22’)
2. INSERT INTO DEPARTMENT VALUES (‘Administration’,4,987654321,’1995-01-01’)
3. INSERT INTO DEPARTMENT VALUES (‘Headquarters’1,888665555,’1981-06-19’)
DEPARTMENT
Dname Dnumber Mgr_ssn Mgr_start_date
RESEARCH 1 888665555 19-Jun-81
Administration 4 987654321 01-Jan-95
Research 5 333445555 22-May-88

6. INSERTING TUPLES INTO DEPT_LOCATIONS TABLE:
1. INSERT INTO DEPT_LOCATIONS VALUES (1,’Houston’)
2. INSERT INTO DEPT_LOCATIONS VALUES (4,’Stafford’)
3. INSERT INTO DEPT_LOCATIONS VALUES (5,’Bellaire’)
4. INSERT INTO DEPT_LOCATIONS VALUES (5,’Sugarland’)
5. INSERT INTO DEPT_LOCATIONS VALUES (5,’Houston’)
INSERTING TUPLES INTO WORKS_ON TABLE:
1. INSERT INTO WORKS_ON VALUES(123456789,1,32.5)
2. INSERT INTO WORKS_ON VALUES(123456789,2,7.5)
3. INSERT INTO WORKS_ON VALUES(666884444,3,40.0)
4. INSERT INTO WORKS_ON VALUES(453453453,1,20.0)
5. INSERT INTO WORKS_ON VALUES(453453453,2,20.0)
6. INSERT INTO WORKS_ON VALUES(333445555,2,10.0)
7. INSERT INTO WORKS_ON VALUES(333445555,3,10.0)
8. INSERT INTO WORKS_ON VALUES(333445555,10,10.0)
9. INSERT INTO WORKS_ON VALUES(333445555,20,10.0)
10. INSERT INTO WORKS_ON VALUES(999887777,30,30.0)
11. INSERT INTO WORKS_ON VALUES(999887777,10,10.0)
12. INSERT INTO WORKS_ON VALUES(987987987,10,10.0)
13. INSERT INTO WORKS_ON VALUES(987987987,30,5.0)
14. INSERT INTO WORKS_ON VALUES(987654321,30,20.0)
15. INSERT INTO WORKS_ON VALUES(987654321,20,15.0)
16. INSERT INTO WORKS_ON VALUES(888665555,20,NULL)
INSERTING TUPLES INTO PROJECT TABLE:
1. INSERT INTO PROJECT VALUES(‘ProductX’,1,’Bellaire’,5)
2. INSERT INTO PROJECT VALUES(‘ProductY’,2,’Sugarland’,5)
3. INSERT INTO PROJECT VALUES(‘ProductZ’,3,’Houston’,5)
4. INSERT INTO PROJECT VALUES(‘Computerization’,10,’Stafford’,4)
5. INSERT INTO PROJECT VALUES(‘Reorganization’,20,’Houston’,1)
6. INSERT INTO PROJECT VALUES(‘Newbenefits’30,’Stafford’,4)
PROJECT
Pname Pnumber Plocation Dnum
ProductX 1 Bellaire 5
ProductY 2 Sugarland 5
ProductZ 3 Houston 5
Computerization 10 Stafford 4
Reorganization 20 Houston 1
Newbenefits 30 Stafford 4
DEPT_LOCATION
Dnumber Dlocation
1 Houston
4 Stafford
5 Bellaire
5 Houston
5 Sugarland
WORKS_ON
Essn Pno Hours
123456789 1 32
123456789 2 7.5
666884444 3 40
435453453 1 20
435453453 2 20
333445555 2 10
333445555 3 10
333445555 10 10
333445555 10 10
333445555 20 10
999887777 30 30
999887777 10 10
987987987 10 35
987987987 30 5
987654321 30 20
987654321 20 15
888665555 20

7. INSERTING TUPLES INTO DEPENDENT TABLE:
1. INSERT INTO DEPENDENT VALUES(‘333445555’,’Alice’,’F’,’1986-04-05’,’Daughter’)
2. INSERT INTO DEPENDENT VALUES(‘333445555’,’Theodore’,’M’,’1983-10-25’,’Son’)
3. INSERT INTO DEPENDENT VALUES(‘333445555’,’Joy’,’F’,’1958-05-03’,’Spouse’)
4. INSERT INTO DEPENDENT VALUES(‘987654321’,’Abner’,’1942-02-28’,’Spouse’)
5. INSERT INTO DEPENDENT VALUES(‘123456789’,’Michael’,’1988-01-04’,’Son’)
6. INSERT INTO DEPENDENT VALUES(‘123456789’,’Alice’,’F’,’1988-12-30’,’Daughter’)
7. INSERT INTO DEPENDENT VALUES(‘123456789’,’Elizabeth’,’F’,’1967-05-05’,’Spouse’)
DEPENDENT
Essn Dependent_name Sex Bdate Relationship
333445555 Alice F 05-Apr-86 Daughter
333445555 Theodore M 25-Oct-83 Son
333445555 Joy F 03-May-58 Spouse
987654321 Abner M 28-Feb-42 Spouse
123456789 Michael M 04-Jan-88 Son
123456789 Alice F 30-Dec-88 Daughter
123456789 Elizabeth F 05-May-67 Spouse
DELETE COMMAND:
1. DELETE FROM PROJECT
WHERE Pname=’ProductX’
2. DELETE FROM PROJECT
WHERE Pnumber=3
UPDATE COMMAND:
1. UPDATE DEPARTMENT
SET Dname=’Research’
WHERE Dnum=1
PROJECT
Pname Pnumber Plocation Dnum
#Deleted #Deleted
ProductY 2 Sugarland 5
#Deleted #Deleted
Computerization 10 Stafford 4
Reorganisation 20 Houston 1
Newbenefits 30 Stafford 4
DEPARTMENT
Dname Dnumber Mgr_ssn Mgr_start_date
Research 1 888665555 19-Jun-81
Administration 4 987654321 01-Jan-95
Research 5 333445555 22-May-88

8. Q1. Retrieve the birthdate andaddressof the employeewhose name is‘JohnBSmith’.
SELECT Bdate ,Address
FROM EMPLOYEE
WHERE Fname='john'ANDLname='Smith'
Q2. Retrieve the name andaddressof the all employee whoworkforthe ‘Research’Department.
SELECT Fname ,Minit,Address
FROM EMPLOYEE,DEPARTMENT
WHERE Dname='RESEARCH'AND Dnumber=Dno
Q3.For everyprojectlocatedinthe ‘Stafford’,listthe projectnumber,the controllingdepartment
numberandthe departmentmanagerlastname ,addressandbirthdate.
SELECT Pnumber,Dnum,Lname,Address,Bdate
FROM PROJECT,DEPARTMENT,EMPLOYEE
WHERE project.dnum=department.dnumberand
department.mgr_ssn=employee.ssnand
project.plocation='Stafford'
Q4.For each employeeretrieve the employeefirstandlastname andthe firstand last name of hisor her
immediate supervisior.
SELECT E1.Fname,E1.Lname ,E2.Fname ASSupervisior_Fname,E2.LnameasSupervisior_Lname
FROM EMPLOYEE ASE1,EMPLOYEE AS E2
WHERE E1.super_ssn=E2.ssn
Q1
Bdate Address
09-Jan-65 731 Fondren Houston,TX
Q2
Fname Minit Lname Address
John B Smith 731 FondrenHouston, TX
Franklin T Wong 638 Voss,Houston,TX
Joyce A English 5631 Rice,Houston,TX
Ramesh K Narayan 975,Fire Oak ,Humble,TX
Q3
Pnumber Dnum Lname Address Bdate
10 4 Wallace 291 Berry,Bellaire, TX 20-Jun-41
30 4 Wallace 291 Berry,Bellaire,TX 20-Jun-41
Q4
Fname Lname Supervisior_Fname Supervisior_Lname
John Smith Franklin Wong
Joyce English Franklin Wong
RameshNarayan Franklin Wong
FranklinWong James Borg
JenniferWallace James Borg
Ahmad Jabbar Jennifer Wallace
Alicia Zelaya Jennifer Wallace

9. Q5.Make a listof the all projectnumberforprojectsthat involve anemployeewhoselastname is
‘Smith’eitherasa workeroras Manager of the departmentthatcontrolsthe projects.
(SELECT DISTINCT Pnumber
FROM PROJECT,DEPARTMENT,EMPLOYEE
WHERE Dnum=Dnumberandmgr_ssn=ssnandLname='Smith')
UNION
(SELECT DISTINCTPnumber
FROM PROJECT,WORKS_ON ,EMPLOYEE
WHERE Pnumber=Pnoand Essn=ssnand Lname='Smith')
Q6.Retrieve all the employeewhose AddressisinHoustonTexas.
SELECT Fname,Minit,Lname,Address
FROM EMPLOYEE
WHERE AddressLike '*Houston*'
Q7.Findall employee whowere bornduring1955’s.
SELECT Fname,Lname,Bdate
FROM EMPLOYEE
WHERE year(bdate)='1955'
Q8.Showthe increasedsalariesif everyemployeeworkingon‘ProductX’projectisgivena10 percent
raise.
SELECT Fname,Minit,Lname,1.1*SalaryasIncreased_Salary
FROM EMPLOYEE,WORKS_ON,PROJECT
WHERE ssn=Essnand Pno=PnumberandPname ='ProductX'
Q9.Retrieve all employee indepartment5whose salaryisb/w $30000 and $40000.
SELECT Fname ,Minit,Lname,Salary
FROM EMPLOYEE
WHERE salarybetween30000 and 40000
Q5
Pnumber
1
2
Q6
Fname Minit Lname Address
John B Smith 731 FondrenHouston,TX
Franklin T Wong 638 Voss,Houston,TX
Joyce A English 5631 Rice, Houston,TX
James E Borg 450 Stone ,Houston,TX
Ahmad V Jabbar 980,Dallas Houston,TX
Q7
Fname Lname Bdate
FranklinWong 08-Dec-55
Q8
Fname Minit Lname Increased_Salary
John B Smith 33000
Q9
Fname Minit Lname Salary
John B Smith 30000
Franklin T Wong 40000
Ramesh K Narayan 38000

10. Q10.Retrieve the name of the employee andhissalarywhoisearningMaximum.
SELECT MAX(Salary) as[Max_sal]
FROM EMPLOYEE
Q11.Retrieve the salaryof the 2nd
Highestearningemployeeandit’sname.
SELECT Fname,Minit,Lname,salary
FROM EMPLOYEE
WHERE Salary=(SELECTMAX(salary) FROMemployee WHEREsalary<(SELECT MAX(salary) FROM
employee ))
Q12.Retrieve alistof the employeeandthe Projectstheyare workingonorderedbydepartmentand
withindepartmentorderedbythe alphabeticallybylastname thenfirstname.
SELECT Dname ,Lname ,Fname ,Pname
FROM EMPLOYEE,DEPARTMENT,PROJECT,WORKS_ON
WHERE Dnumber=dnoandssn=essnandpno=Pnumber
orderby dname ,Lname,Fname
Q10
Max_sal
55000
Q11
Fname Minit Lname salary
JenniferS Wallace 43000
Q12
Dname Lname Fname Pname
Administration Jabbar Ahmad Newbenefits
Administration Jabbar Ahmad Computerization
Administration Wallace Jennifer Newbenefits
Administration Wallace Jennifer Reorganisation
Administration Zelaya Alicia Newbenefits
Administration Zelaya Alicia Computerization
Headquarters Borg James Reorganisation
Research Narayan Ramesh ProductZ
Research Smith John ProductY
Research Smith John ProductX
Research Wong Franklin Reorganisation
Research Wong Franklin Computerization
Research Wong Franklin Computerization
Research Wong Franklin ProductZ
Research Wong Franklin ProductY