PHYSICAL DATABASE DESIGN QUIZ

False

True

All fields are stored in three relations.

All fields are stored in one relation.

All fields are stored in two relations.

All fields are stored in four relations.

Determines the tablespace required

Useful for denormalization decisions

Nonunique key

Primary key

RAID-1

RAID-2

RAID-3

RAID-0

Indexes are more useful on smaller tables.

Indexes are more useful for columns that do not appear frequently in the WHERE clause in queries.

Do not specify a unique index for the primary key of each table.

Be careful indexing attributes that have null values.

a group of fields stored in adjacent memory.

attributes grouped together by the same primary key.

attributes grouped together by the same secondary key.

the number of physical records per page.

All fields are stored in two relations.

All fields are stored in three relations.

All fields are stored in one relation.

All fields are stored in four relations.

False

True

True

False

True

False