超星 - chapter 3 Data and Knowledge Management 单元测试

单选题

Data marts can be implemented quickly than data warehouses and support control.

A. less; central
B. less; local
C. more; central
D. more; local

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单选题

Data marts and data warehouses typically use ________.

A. ERP
B. OLAP
C. OLTP
D. RFID

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单选题

Data marts and data warehouses are ; this means they be updated by users.

A. non-volatile; can
B. non-volatile; cannot
C. volatile; can
D. volatile; cannot

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单选题

________ is an example of a source system for a data warehouse.

A. DSS
B. ERP
C. OLAP
D. Web browser

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单选题

Intellectual capital is another term for ________.

A. data
B. information
C. knowledge
D. wisdom

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单选题

Microsoft Access uses ________ to conduct queries.

A. ETL
B. QBE
C. RFID
D. TPS

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单选题

The ________ provide(s) information on each attribute and why the attribute is needed in the database, who uses it, and how it should be updated.

A. business rules
B. cardinality
C. data dictionary
D. modality

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单选题

A vertical line with a “chicken leg” to the entity represents the ________ cardinality symbol.

A. mandatory many
B. mandatory single
C. optional many
D. optional single

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单选题

A circle with a “chicken leg” to the entity represents the ________ cardinality symbol.

A. mandatory many
B. mandatory single
C. optional many
D. optional single

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单选题

Considering the following tables, ________ is a primary key.

A. Class Table: PID
B. Professor Table: Name
C. Student Table: Expected Graduation Year
D. Student Table: ID

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Data marts can be implemented ________ quickly than data warehouses and support ________ control.

Data marts and data warehouses typically use ________.

Data marts and data warehouses are ________; this means they ________ be updated by users.

________ is an example of a source system for a data warehouse.

Intellectual capital is another term for ________.

Microsoft Access uses ________ to conduct queries.

The ________ provide(s) information on each attribute and why the attribute is needed in the database, who uses it, and how it should be updated.

A vertical line with a “chicken leg” to the entity represents the ________ cardinality symbol.

A circle with a “chicken leg” to the entity represents the ________ cardinality symbol.

Considering the following tables, ________ is a primary key.

Data marts can be implemented quickly than data warehouses and support control.

Data marts and data warehouses are ; this means they be updated by users.