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Data Mining and Data Warehouse MCQs: 387 Questions & Answers in Engineering

387 Data Mining and Data Warehouse MCQs in Engineering with answers & explanations. Page 2. Practice objective questions for competitive exams, interviews &… Use the answer toggle below to show or hide all solutions, tap an option to check one question, or open a question for its own page.

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Data Mining and Data Warehouse MCQs: 387 Questions & Answers in Engineering

Record cannot be updated in _____________.

The source of all data warehouse data is the____________.

Data warehouse contains_____________data that is never found in the operational environment.

The modern CASE tools belong to _______ category.

Bill Inmon has estimated___________of the time required to build a data warehouse, is consumed in the conversion process.

Detail data in single fact table is otherwise known as__________.

_______test is used in an online transactional processing environment.

___________ is a good alternative to the star schema.

The biggest drawback of the level indicator in the classic star-schema is that it limits_________.

A data warehouse is _____________.

An operational system is _____________.

The generic two-level data warehouse architecture includes __________.

The active data warehouse architecture includes __________

Reconciled data is ___________.

The extract process is ______.

Data scrubbing is _____________.

The load and index is ______________.

Data transformation includes __________.

____________ is called a multifield transformation.

The type of relationship in star schema is __________________.

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