May 2024
Intermediate to advanced
325 pages
12h 2m
English
Content preview from Distributed Database Systems, 1st Edition by Chhanda Ray
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Overview of Relational DBMS
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3
Employee
emp-id ename Designation salary deptno voter-id
E01 J. Lee Manager 80,000 10 V01
E02 S. Smith Asst. Manager 60,000 20 V03
E03 A. Roy Analyst 70,000 10 V04
E04 B. Sharma Programmer 20,000 30 V02
E05 D. Davis Manager 75,000 30 V05
E06 M. Jones Consultant 85,000 40 V07
E07 A. Sasmal Manager 80,000 20 V06
E08 R. Miller Consultant 75,000 10 V08
E09 S. Sen Analyst 72,000 40 V10
E10 D. Dastidar Asst. Manager 50,000 40 V09
Department
deptno dname Location
10 Development Lake side
20 Production Near playground
30 Maintenance Lake side
40 HR Near garden
50 Sales Near playground
Fig. 1.1 Sample Database Schemas
1.2 Integrity Constraints ...
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