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The data manipulation component is a part of every DBMS package.

A) True
B) False

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What is a multiuser DBMS?

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In a multiuser DBMS,the data m...

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What is data backup?

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Data backup refers to the prac...

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Which of the following is NOT a data administration task?


A) Monitoring and maintaining the database system
B) Securing the database against unauthorized access
C) Creating a conceptual database model
D) Providing database backup and recovery

E) B) and D)
F) B) and C)

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What is a recovery log?

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A recovery log is a file recorded to the...

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What is a data dictionary?

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A data dictionary is a repository of the...

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What is view materialization?

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View materialization refers to saving a ...

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If,during the use of the database system,it becomes apparent that a new relation needs to be added to the database,the decision to add the new relation to the database will rest with the:


A) Database developer
B) DBA
C) End user
D) DBMS software developer

E) C) and D)
F) B) and C)

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What is a complete mirrored backup?

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A complete mirrored backup is ...

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What is update failure?

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Update failure is th...

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What will be the outcome of the following SQL statements issued in the HAPPY INSURANCE database? GRANT SELECT,INSERT,ALTER,UPDATE ON client TO shannon; REVOKE INSERT ON client FROM shannon;


A) Shannon can read data from CLIENT,change data in CLIENT,change the metadata of CLIENT,insert data in CLIENT
B) Shannon can read data from CLIENT,change data in CLIENT,insert data in CLIENT
C) Shannon can read data from CLIENT,change data in CLIENT,change the metadata of CLIENT
D) Shannon can insert data in CLIENT

E) A) and D)
F) None of the above

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What is the query cost?

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The query cost is th...

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What is database recovery?

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Database recovery re...

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The data manipulation DBMS component is used:


A) By end users,directly only
B) By end users,via front-end applications only
C) By end users,either directly or via front-end applications
D) By no end users

E) None of the above
F) B) and C)

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What will be the outcome of the following SQL statements issued in the HAPPY INSURANCE database? CREATE ROLE supervisor; GRANT SELECT,INSERT,UPDATE ON client TO supervisor; GRANT SUPERVISOR TO shannon;


A) Shannon can read data from CLIENT,change data in CLIENT,change the metadata of CLIENT,insert data in CLIENT
B) Shannon can read data from CLIENT,change data in CLIENT,insert data in CLIENT
C) Shannon can read data from CLIENT,change data in CLIENT,change the metadata of CLIENT
D) Shannon can change the metadata of CLIENT

E) A) and C)
F) A) and B)

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What is a query optimizer?

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A query optimizer is a feature...

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In a role-based access control system,users can be assigned several database roles.

A) True
B) False

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The TCL commands are used by the business end users of a database system.

A) True
B) False

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What is a query hint?

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A query hint is a suggestion f...

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The data manipulation DBMS component uses the SQL commands from the DCL category.

A) True
B) False

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