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RDBMS DRC , SQL

Authored by Sowparnika A

Computers

University

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RDBMS DRC , SQL
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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

DRC stands for ________?

Domain Relational calculus

Database Relational calculus

Domain Referential Calculus

Database reference calculus

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

{ <a1,a2,....,an> | p(a1,a2,....,an) } here p refers

To ____

Condition

Conjunction

Commit

None

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

SQL stands for _____

Structured Domain Language

Structured Query Language

Structured Data Base language

None

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many quantifiers are used in DRC?

2

1

3

None

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In DRC rules, if p1 and p2 are the formulae, then ________ are also there

P1 ^ p2

P1 v p2

P1 => p2

All the above

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