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Q.

Which two files are used during operation of the DBMS?

A

query language and utilities

B

data manipulation language and query language

C

data dictionary and transaction log

D

data dictionary and query language

E

None of the above

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One of the reasons why OODBMSs have not been widely used for business information systems is that OOP is obsolete.

A

True

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False

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When using a database management system, the first thing that you must do is to

A

create a database file

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keep a floppy disk in readiness

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The relational database model was created by E.F. Codd.

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What is the language used by most of the DBMSs for helping their users to access data?

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Query language

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SQL

D

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E

None of the above

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An indexing operation

A

sorts a file using a single key

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establishes an index for a file

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both (b) and (c)

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None of the above

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