MCQS Database Systems- for Computer Science PPSC Jobs – Set 11

Multiple Choice Questions

Set 11

1 The levels of ANSI-SPARC.

a)2                   b)3

c)4                   d)5

2. Which ones is not the level of ANSI-SPARC…

a) internal level            b) external level

c)conceptual level       d) outer level

3. Which level describes the part of database that is relevant to each other’s.

a) external level          b) internal level

c)base level                 d) outer level

4.  Which ones is the community view of database.

a) conceptual level      b) internal level

c)outer level                d) external level

5. The level which describes how the data stored in the database.

a) conceptual level     b) external level

c) internal level           d) physical level

6. How many kinds of data independence.

a)1                   b)2

c)4                   d)5

7.  Data Independence refers to the immunity of the external schemas to changes in the conceptual schema is called …

a) logical data independence            b) physical data independence

c)internal data independence            d) conceptual data independence

8.  Data independence refers to the immunity of the conceptual schema to changes in the internal schema is called…

a) logical data independence            b) physical data independence

c)internal data independence            d) conceptual data independence

9. A data sub language consists of two parts. One is DDL and other is…

a) DML            b) DLD

c)DLL               d) LDM

10. A language that allows the DBA or user to describe and name the entities, attributes, and relationships required for the application is known as.

a) DML             b) DLD

c)DLL               d) DDL