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Chapter - 4
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SSN Name DateOfBirth Addr Sex Salary SuperSSN DNo
Deepak 5-Jan-62 Malleswaram M 22000 4444 1
Nandagopal 10-Dec-60 Rajajinagar M 30000 4444 3
Pooja 22-Jan-65 Indiranagar F 18000 2222 2
Prasad 11-Jan-57 Rajajinagar M 32000 null 3
Reena 15-Jan-85 MG Road F 8000 4444 3
DNo DName SSN MgrStartDate Admin 1111 23-Jan-2000
Research 2222 11-Aug-1995
Accounts 4444 7-Dec-1986
PNo PName PLocation DNo
Library Management USA 2
ERP Chennai 1
Hospital Management Mumbai 3
Wireless Network London 2
Employees
Departments
Projects
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condition-1 (condition-2 (R))
(condition-1 AND condition-2) (R)condition-2 (condition-1
(R))
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Emp_Dept3 SSN (DNo = 3 (Employees))
Supervisors SuperSSN (DNo = 3 (Employees))Result Emp_Dept3
Supervisors
Result222244445555null
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FName LName Age FName LName Age
Susan Yao 18 Jennifer Amy 30
Ramesh Arvind 20 Nandagopal Shanmugam 40
Joseph Antony 19 Ramesh Arvind 20
Jennifer Amy 30
Andy Perumal 21
Student Teacher
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FemaleEmp SSN, Name (Sex = F(Employees))
FemaleDeps FemaleEmp Dependents
Result Name, DependentName (Employees.SSN = Dependents.SSN
(FemaleDeps))
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WorksOn(SSN, PNo, Hours)
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- left outerjoin
- right outerjoin and
- outer join (full outer join)
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RegNo Name GPA Branch RegNo Amount Year
1BI01CS056 Pooja 5.6 CSE 1BI01CS056 10000 2002
1BI01ME067 Pallavi 8.9 MECH 1BI01IS001 20000 2003
1BI01CS045 Reena 9.5 CSE
1BI01IS001 Kumar 6.0 ISE
RegNo Name GPA B ranch Amount Year
1BI01CS056 Pooja 5.6 CSE 10000 2002
1BI01ME067 Pallavi 8.9 MECH null null1BI01CS045 Reena 9.5 CSE
null null
1BI01IS001 Kumar 6.0 ISE 20000 2003
Students Awards
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Options
RegNo SubId
412 CS175
412 CS272412 CS351
413 CS175
413 CS272532 CS175
676 CS272
SubId
CS175
CS272
SubId
CS175
SubId
CS175CS272
CS351
RegNo
412
413
RegNo
412
413
532
RegNo
412
Electives1 Electives2 Electives3
Options/Electives1 Options/Electives2 Options/Electives3
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S. Nandagopalan, BIT2727
1. R S
2. R R.C=S.C S3. B,E ((B,C (R) ) (E
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S. Nandagopalan, BIT2828
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