RDBMS DRC , SQL

DRC stands for ________?

• Domain Relational calculus

• Database Relational calculus

• Domain Referential Calculus

• Database reference calculus

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

To ____

• Condition

• Conjunction

• Commit

• None

SQL stands for _____

• Structured Domain Language

• Structured Query Language

• Structured Data Base language

• None

How many quantifiers are used in DRC?

• 2

• 1

• 3

• None

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

• P1 ^ p2

• P1 v p2

• P1 => p2

• All the above