What is a Data Warehouse?
Answers were Sorted based on User's Feedback
Answer / p.d.vijay kumar
a datawarehouse is a subject oriented,integrated,time varient
collection of data in support of management's decision
making process
| Is This Answer Correct ? | 4 Yes | 0 No |
Answer / siri
data warehouse is a subject oriented(which deals with
particular area of business),integrated(combine data in
data bases),time variant(depends on regularity),non
volatile(static or read only)collection of data which is
helpful in decision making.
| Is This Answer Correct ? | 2 Yes | 0 No |
Answer / anil reddy,bang
a datawarehouse is a subject oriented,integrated,time
varient and non voltain.
collection of data in support for taking decision
making process
| Is This Answer Correct ? | 1 Yes | 0 No |
Answer / ravi v
Collection of operational databases and which is used to
maintain the historical data for to take the effective
decisions in business. It is a non volatile data, it is
also called as DSS (decision support system) and Read only
data.
| Is This Answer Correct ? | 1 Yes | 0 No |
DATA WARE HOUSE IS A COLLECTION OF DATA IS USED FOR
BUSINESS OPERATIONS.
Eg: BANKING,HEALTH CARE,INSURANCE,AND TELE COMMUNICATIONS
| Is This Answer Correct ? | 1 Yes | 1 No |
Answer / nethaji
Data warehouse is a technology used for analyzing data for
managements decision support needs.Data from various sources
are integrated into a single source.Data in the
warehouse is nonvolatile.
| Is This Answer Correct ? | 0 Yes | 0 No |
Answer / raji
Data warehouse is logical database,which is maintain
different mutlipule databases and stored historical data.
| Is This Answer Correct ? | 0 Yes | 0 No |
Answer / vijay bhaskar
Data warehouse is integrated,subject oriented,time
oriented,non olatile collection of data to the
decisionmaking system
| Is This Answer Correct ? | 0 Yes | 0 No |
What is the difference between Oracle Express and Oracle Discoverer?
Explain what is the advantages data mining over traditional approaches?
What's a Cube in Rolap?
What are steps we have to follow in designing the userfriendly universe?
What is crass reference table?
what is the difference between aggregate table and fact table ? how do you load these two tables ?
What are the advantages and disadvantages of reporting directly against the database?
What is dimensional modelling?
Explain the main differences between star and snowflake schema?
What is the difference between olap and oltp?
What are the types of partitioning?
Explain about core dimension, balanced dimension, and dirty dimension?