In general, larger block sizes are used for online transaction processing applications and smaller block sizes are used for databases with a decision support or data warehousing system.

Physical Database Design
In general, larger block sizes are used for online transaction processing applications and smaller block sizes are used for databases with a decision support or data warehousing system.

True

False

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Physical Database Design
What is the best data type definition for Oracle when a field is alphanumeric and has a length that can vary?

VARCHAR2

NUMBER

CHAR

LONG

VARCHAR2

NUMBER

CHAR

LONG

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Physical Database Design
A multidimensional database model is used most often in which of the following models?

Network

Hierarchical

Relational

Data warehouse

Network

Hierarchical

Relational

Data warehouse

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Physical Database Design
The fastest read/write time and most efficient data storage of any disk array type is:

RAID-3

RAID-0

RAID-2

RAID-1

RAID-3

RAID-0

RAID-2

RAID-1

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Physical Database Design
Selecting a data type involves which of the following?

All of these

Maximize storage space

Improve data integrity

Represent most values

All of these

Maximize storage space

Improve data integrity

Represent most values

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Physical Database Design
When storage space is scarce and physical records cannot span pages, creating multiple physical records from one logical relation will minimize wasted storage space.

False

True

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Physical Database Design

Physical Database Design In general, larger block sizes are used for online transaction processing applications and smaller block sizes are used for databases with a decision support or data warehousing system.

Physical Database Design What is the best data type definition for Oracle when a field is alphanumeric and has a length that can vary?

Physical Database Design A multidimensional database model is used most often in which of the following models?

Physical Database Design The fastest read/write time and most efficient data storage of any disk array type is:

Physical Database Design Selecting a data type involves which of the following?

Physical Database Design When storage space is scarce and physical records cannot span pages, creating multiple physical records from one logical relation will minimize wasted storage space.

Physical Database Design
In general, larger block sizes are used for online transaction processing applications and smaller block sizes are used for databases with a decision support or data warehousing system.

Physical Database Design
What is the best data type definition for Oracle when a field is alphanumeric and has a length that can vary?

Physical Database Design
A multidimensional database model is used most often in which of the following models?

Physical Database Design
The fastest read/write time and most efficient data storage of any disk array type is:

Physical Database Design
Selecting a data type involves which of the following?

Physical Database Design
When storage space is scarce and physical records cannot span pages, creating multiple physical records from one logical relation will minimize wasted storage space.