Question: In data warehouse technology, a multiple dimensional view can be implemented by a relational database technique (ROLAP), or by a multidimensional database technique (MOLAP), or

In data warehouse technology, a multiple dimensional view can be implemented by a relational database technique (ROLAP), or by a multidimensional database technique (MOLAP), or by a hybrid database technique (HOLAP).

(a) Briefly describe each implementation technique.

(b) For each technique, explain how each of the following functions may be implemented:

i. The generation of a data warehouse (including aggregation)

ii. Roll-up

iii. Drill-down

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

a Briefly describe each implementation technique i ROLAP Relational OLAP In ROLAP the data warehouse is implemented using a relational database The mu... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Databases Questions!

Based on the discussion of hardware, Internet, and software technology trends in this chapter, it should be clear to you that the Real-Time Glucose Monitoring (RTGM) system is an interesting...

Planning is one of the most important management functions in any business. A front office managers first step in planning should involve determine the departments goals. Planning also includes...

Do some amendment and enhance the given research paper: Table of Content Abstract..3 Action Research.4 Research Methodology and Design...5 Literature Review: NoSQL Database7 Proposal.7 Iteration 1..8...

Prove that e is an irrational number using the following argument by contradiction. Suppose that e = M/N, where M, N are nonzero integers. (a) Show that M!e- is a whole number. (b) Use the power...

The generator of Problem 5.22 achieves rated open-circuit armature voltage at a field current of 850 A. It is operating on the system of Problem 5.22 with its voltage regulator set to maintain the...

Using the data presented in BE13-4 for Ramirez Company, perform vertical analysis. AppendixLO1

Cultural sophistication: Did the evaluator demonstrate cultural sophistication on the cognitive, affective, and skill dimensions? Was the evaluator able to have positive interpersonal connections,...

Grace is a self-employed sales consultant who spends significant time entertaining potential customers. She keeps all the appropriate records to substantiate her entertainment. She has the following...

On January 1, 2014, Polo Company purchased 100% of the common stock of Save Company by issuing 38,280 shares of its (Polos) $10 par value common stock with a market price of $16.90 per share. Polo...

Jaguar Plastics Company has been operating for three years. At December 31 of last year, the accounting records reflected the following: Cash Investments (short- term) Accounts receivable Inventory...

Fairview Hospital provides us with the following information: Services rendered to patients were values at $600,000. Cash collections on patients' accounts totaled $540,000. Cash disbursements for...

Brown Stone Restaurant is located in an historic building within the historic business district of a mid-size city. The menu is designed to accommodate often hurried lunch customers as well as...

Multinational Companies from Emerging and Developed Countries Multinational companies from countries with emerging economies such as Brazil, Russia, India, and China are beginning to expand...

Add Assigned Service Industry Recent labor productivity, unit labor costs, and related data Employment (thousands) Percent change: INSERT YEARS Labor productivity Unit labor costs Output Hours worked...

c). You want to write a simple model to understand some of the determinants of the likelihood of getting unemployed during an upcoming economic recession. Assume you have the following information...

In today's increasingly VUCA (Volatile, Uncertain, Complex and Ambiguous) world, it is important for firms to be able to quickly and accurately adapt to shifts in the marketplace or changes in...

discuss two laws that could be implemented to prevent individuals from participating in medical procedures like the one disclosed that do not have the intended results. Be sure the governments...

As of January 1, 2018, Room Designs, Inc. had a balance of $9,900 in Cash, $3,500 in Common Stock, and $6,400 in Retained Earnings. These were the only accounts with balances in the ledger on January...

What is a statement of work (SOW)? What purpose does it serve?

Under what circumstances can a relation have duplicate rows?

Using the Microsoft Drivers for PHP for SQL Server as an example, briefly describe how to install and enable additional PHP dynamic extension *.dll files to an existing PHP installation.

The United Way raises money for community charity activities. Recently, in one community, the fundraising committee was concerned about whether there is a difference in the proportion of employees...

An article in The American Statistician (M. L. R. Ernst, et al., Scatterplots for Unordered Pairs, 50 (1996), pp. 260265) Reports on the difference in the measurements by two evaluators of the...

An article on the PureEnergySystems.com Web site written by Louis LaPoint discusses a product called Acetone. The article stated that Acetone (CH3COCH3) is a product that can be purchased...