DBMS MCQs part 10

1. Which is the transformation of requests and results between different levels of abstraction:

• Evaluation
• Mapping
• Compiler
• Precompiler

2. Which mapping exists between the conceptual and internal levels:

• Conceptual
• Internal
• Both
• None

3. Which mapping exists between the external and conceptual levels:

• Conceptual
• External
• Both
• None

4. The related and interconnected software components of a DBMS are described by the _______:

• Logical architecture
• Physical architecture
• Both
• None

5. Which are the types of physical DBMS architecture can be split :

• Back end
• Front end
• Both
• None

6. The DML is called:

• Sublanguages
• Host languages
• VDL
• DDL

7. The overall description of a database is called______:

• Data definition
• Data manipulation
• Data integrity
• Database schema

8. Which is proper subset designed to support ‘views’ belonging to different classes of users in order to hid or protect information:

• Schema
• Subschema
• Non-schema
• None-subschema

9.A data dictionary is a repository that manages _____:

• Database
• Memory
• Metadata
• All of these

10. A tuple is a(n):

• column of a table
• two dimensional table
• row of a table
• key of a table

Score =

Correct answers:

DBMS MCQs Parts => 1.. 2.. 3.. 4.. 5.. 6.. 7.. 8.. 9.. 10..

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