SQL

Question 159

(i) DML includes a query language based on both relation algebra and tuple calculus
(ii) DML includes a query language based on tuple calculus
(iii) DML includes a query language based on relational algebra
(iv) DML includes a query language based on none of the relational algebra and tuple calculus
Which one is correct ?

A	(i) only
B	(ii) only
C	(iii) only
D	(iv) only

Database-Management-SystemSQLUGC NET CS 2009-June-Paper-2

Question 159 Explanation:

→ DML(Data Manipulation Language) performs to SELECT,UPDATE,INSERT and DELETE operations.
→ DML includes a query language based on both relation algebra and tuple calculus

Correct Answer: A

Question 159 Explanation:

→ DML(Data Manipulation Language) performs to SELECT,UPDATE,INSERT and DELETE operations.
→ DML includes a query language based on both relation algebra and tuple calculus

Kirti

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