ISRO Scientist/Engineer Question Paper Computer Science 2017
6. Question
ACID properties of a transactions are
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7. Question
Database table by name Overtime_allowance is given below :
| Employee | Department | OT_allowance |
| RAMA | Mechanical | 5000 |
| GOPI | Electrical | 2000 |
| SINDU | Computer | 4000 |
| MAHESH | Civil | 1500 |
What is the output of the following SQL query?
select count(*) from ((select Employee, Department from Overtime_allowance) as S
natural join (select Department, OT_allowance from Overtime_allowance) as T);
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8. Question
Which symbol denote derived attributes in ER Model?
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9. Question
The symmetric difference of sets A = {1, 2, 3, 4, 5, 6, 7, 8} and B = {1, 3, 5, 6, 7, 8, 9} is
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10. Question
The problems 3-SAT and 2-SAT are
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