Class 12: SQL Question Set 1

11.
What is the fullform of DDL?

a) Dynamic Data Language
b) Detailes Data Language
c) Data Definition Language
d) Data Derivation Language

 

12.
What does DML stands for?

a) Dynamic Mode Language
b) Detailes manipulation Language
c) Data manipulation list
d) Data manipulation Language

 

13.
Which is the subset of SQL commands used to manipulate database structure including tables?

a) DDL
b) DML
c) both a and b
d) none

 

14.
Which of the following sublanguage of SQL is used to define structure of relation, deleting relation and relating schemas?

a) DML
b) DDL
c) Query
d) relational schema

 

15.
Which of the following sublanguage of SQL is used to query information from the database and to insert tuple into, delete tuple from, and modify tuples.

a) DDL
b) DML
c) Query
d) relational schema