MCQs

#105 ______________ is a database language that defines the structure in which data are stored.

A) DNL
B) DCL
C) DDL
D) DML
Answer: C

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#106 A field, or a combination of fields used to identify particular row in a relation is called ___________.

A) Secondary key
B) Foreign key
C) Primary key
D) Alternate key
Answer: C

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#107 A combination of two or more columns used to identify particular row in a relation is a ___________.

A) Secondary key
B) composite key
C) foreign key
D) primary key
Answer: B

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#108 Which of the following is used to store data in a database?

A) Table
B) Form
C) Query
D) Report
Answer: A

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#109 ____________ is a window that displays data for viewing entering and editing information.

A) Table
B) Form
C) Query
D) Report
Answer: B

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#110 Which of the following is logical data type?

A) Text
B) Memo
C) Auto Number
D) yes/No
Answer: D

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#111 ____________ is an open source application program.

A) MS Access
B) Open Office Base
C) SQL Server
D) MS Word
Answer: B

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#112 What is the maximum size of text field data type?

A) 253
B) 254
C) 255
D) 256
Answer: C

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