Big Data
Showing posts with label Big Data. Show all posts
Showing posts with label Big Data. Show all posts

All of the following are true about in-database processing technology EXCEPT

All of the following are true about in-database processing technology EXCEPT



A) it pushes the algorithms to where the data is.
B) it makes the response to queries much faster than conventional databases.
C) it is often used for apps like credit card fraud detection and investment risk management.
D) it is the same as in-memory storage technology.


Answer: D

How does the use of cloud computing affect the scalability of a data warehouse?

How does the use of cloud computing affect the scalability of a data warehouse?



A) Cloud computing vendors bring as much hardware as needed to users' offices.
B) Hardware resources are dynamically allocated as use increases.
C) Cloud vendors are mostly based overseas where the cost of labor is low.
D) Cloud computing has little effect on a data warehouse's scalability.


Answer: B

Which of the following statements is more descriptive of active data warehouses in contrast with traditional data warehouses?

Which of the following statements is more descriptive of active data warehouses in contrast with traditional data warehouses?



A) strategic decisions whose impacts are hard to measure
B) detailed data available for strategic use only
C) large numbers of users, including operational staffs
D) restrictive reporting with daily and weekly data currency


Answer: C

Active data warehousing can be used to support the highest level of decision making sophistication and power. The major feature that enables this in relation to handling the data is

Active data warehousing can be used to support the highest level of decision making sophistication and power. The major feature that enables this in relation to handling the data is



A) country of (data) origin.
B) nature of the data.
C) speed of data transfer.
D) source of the data.


Answer: C

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