Problem1 what is a data warehouse mention its advantages2, Ask an Expert

Programming

Home >> DBMS

Problem

1 What is a Data Warehouse? Mention its advantages

2 Explain the Top-Down and Bottom-up Data Warehouse development Methodologies

3 What is Data Transformation? Explain the tasks involved in it

4 Why are the operational system keys not recommended for forming data warehouse primary keys? Give any two examples

View complete question

DBMS, Programming

Category:- DBMS
Reference No.:- M9586655

Have any Question?Write your Review or question?

Related Questions in DBMS

Sqlwrite a select statement that returns one column from

SQL Write a SELECT statement that returns one column from the Vendor table named Full Name. Create this column from the VendorContactFName and VendorContactLName columns. Format it as follows: last name, comma, first nam ...

Select from e d pwhere edeptddept and dcitypcity and

Select * From E, D, P WHERE E.dept=D.dept AND D.city=P.city AND D.budget>1M AND P.priority=A; Assuming relations have the same size and uniform distributions, what is the best plan with Nested Loop joins only? Write it a ...

You are responsible for keeping track of meal expenses for

You are responsible for keeping track of meal expenses for ten employees while at a business lunch to which your employer has invited you to attend. Write an algorithm that inputs the lunch costs for each the ten employe ...

The relation memberstudentid organizationid roleid stores

The relation Member(StudentId, OrganizationId, RoleId) stores the membership information of student joining organization. For example, ('S1', 'O2', 'R3') indicates that student with Id 'S1' joined the organization with i ...

Question as explained throughout this course entity

Question: As explained throughout this course, entity relationship modeling is a critical element of database design. If the database is not properly modeled, it is unlikely that the database will be properly developed. ...

Query 1 the bookstore has decided to keep track of the

Query 1: The bookstore has decided to keep track of the vendors' information. In order to do this, one new table will be added to the database. The schema for this table, as related to the existing tables, is the followi ...

Question we can sort a given set of n numbers by first

Question : We can sort a given set of n numbers by first building a binary search tree containing these numbers (using TREE-INSERT repeatedly to insert the numbers one by one) and then printing the numbers by an inorder ...

This is a starting out with visual basic programming

This is a starting out with visual basic programming problem, meaning its a basic programming nothing advanced. Question: Add a linq statement to the combo box text-changed event to dispaly the city field of the selected ...

In sql database questions phase-1 in 100 words what steps

In SQL Database Questions: Phase-1 In 100 words, what steps can one take to avoid losing work? Which command is used to save changes to the database? What is the syntax for this command? Phase-2 In 100 words, explain the ...

Question 1 unified communications system eg email

Question: 1. Unified Communications System (e.g., email, conferencing, and messaging) - The local area network is slower than needed, especially for newer, cloud-based applications. The email system needs refurbishment a ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask DBMS Expert