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Q.

In a large DBMS

A

each user can "see" only a small part of the entire database

B

each user can access every sub

C

each subschema contains every field in the logical schema

D

All of the above

E

None of the above

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MCQ

1.

A list in alphabetical order

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is in descending order

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is in ascending order

C

is the result of a sort operation

D

both (b) and (c)

E

None of the above

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2.

Which command is used to remove a table from the database in SQL?

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DELETE TABLE

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DROP TABLE

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ERASE TABLE

D

UNATTACH TABLE

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None of the above

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Data encryption techniques are particularly useful for

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All of the above

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None of the above

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Which of the following is a database administrator's function?

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B

backing up the database

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user coordination

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All of the above

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5.

The distinguishable parts of a record are called

A

files

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data

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fields

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database

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None of the above

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