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Sub-Queries cannot
a) Use group by
b) Relative Data
c) Join Tables
d) Appear in DML Statements
Option c – Join Tables
Insert statement is ………. command
a) Query
b) Relational
c) DML
d) DDL
Option b – Relational
Aggregate functions are those which take ………. as input and retrieve a single Value
a) Collection of values
b) Single value
c) Aggregate value
d) Both a & b
Option a – Collection of values
Which of the following are network services
a) File service
b) Print Service
c) Database Service
d) All
Option d – All
Which one of the following is used to define the structure of relation?
a) DML
b) DDL
c) Query
d) Relational Schema
Option b – DDL
Which of the following provides the ability to query information from the Database
a) DML
b) DDL
c) Query
d) Relational Schema
Option a – DML
Select * from employee; what type of statement is it
a) DML
b) DDL
c) View
d) Integrity Constraint
Option a – DML
To remove a relation from an SQL database we use ……. command.
a) Delete
b) Purge
c) Remove
d) Drop table
Option d – Drop table
Update that violate ……. are disallowed.
a) Transaction Control
b) Authorization
c) DDL Commands
d) Integrity Constraints
Option d – Integrity Constraints
Which of the following is not aggregate function?
a) avg
b) sum
c) with
d) min
Option c – with
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