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MCQ

A collection of interrelated file in computer is a-

File manager

Field

Record

Database

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MCQ

In a relational schema, each tuple is divided into fields called

Relations

Domains

Queries

All of the above

None of the above

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MCQ

If a piece of data is stored in two places in the database, then

storage space is wasted

changing the data is one spot will cause data inconsistency

it can be more easily accessed

both (a) and (b)

None of the above

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MCQ

A file produced by a spreadsheet

is generally stored on disk in an ASCII text format

can be used as it by the DBMS

can be used for graphic

All of the above

None of the above

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MCQ

With respect to data input, the most accurate description of batch control is

dividing documents to be entered into batches

controlling the input of each input clerk

comparing to a pre-calculated figure the total of a data item summed across a batch records put into the system

All of the above

None of the above

Discussion

MCQ

Structured Query Language (SQL) is an internationally recognized standard language that is understood by all commercial database management system products.

True

False

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History and Generations

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