Within a database, the sequential organization of data by a common key is called:

Sequential retrieval on a primary key for sequential file storage has which of the following features?

A

Very fast

B

Moderately fast

C

Slow

D

Impractical

In an enterprise-class database system, business users interact directly with database applications, which directly access the database data.

A

True

B

False

In an Enterprise-class database system, business users interact directly with database applications that interact with the DBMS, which directly accesses the database data.

A

True

B

False

If both data and database administration exist in an organization, the database administrator is responsible for which of the following?

A

Data modeling

B

Database design

C

Metadata

D

All of the above

One common design problem when designing a database from existing data is the presence of missing values, called blank values, in received data.

A

True

B

False

During logical database design, the conceptual data model is transformed into a logical data model which describes the data in terms of a specific data management technology.

A

True

B

False

Indexed-Sequential organization

A

means storing records in contiguous blocks according to a key.

B

Stores records sequentially but uses an index to locate records

C

uses an index for each key type

D

has records placed randomly throughout the file

E

None of the above

Sequential file organization is most appropriate for which of the following applications?

A

grocery-store checkout

B

bank checking accounts

C

payroll

D

airline reservations

E

None of the above

Sequential organization

A

means storing records in contiguous blocks according to a key.

B

Stores records sequentially but uses an index to locate records

C

uses an index for each key type

D

has records placed randomly throughout the file

E

None of the above

Which of the following is not the value the key property will hold if the key is a function key?

A

F8

B

F2

C

F9

D

Left

Within a database, the sequential organization of data by a common key is called:

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