Interested to Buy Any Domain ? << Click Here >> for more details...
why r u using etl tool.
- 2 Answers
- 7722 Views
- I also Faced
- E-Mail Answers
Answers were Sorted based on User's Feedback
MAIN ETL PURPOSE IS
EXTRACTION,
TRASFORMATION
AND LODING.
THIS IS ONE OF THE ETL TOOL IN DWH.
ETL: WE HAVE TO FETCH THE DATA FROM MULTIPLE SOURCES.
EX:ORACLE,XML,FLATFILES ETC..............
THEN DATA GOES TO STAGING AREA.
HERE ACCORDING CLENT REQUIREMENT WE NEED TO CLEANSING
SCRUBBING AND AGGREGATING DATA IN STAGINGAREA.
IF WE NEED TRANSFORMATION WITH THE HELP OF TRANSFORMATION
TRANFER DATA INTO TRANSFORMATION.
FINALLY LOADING DATA INTO DWH OR TARGET DWH.
FOR THIS PURPOSE WE NEED TO USE ETL TOOL.
I THINK IS IT CLEAR FOR U.
IF U GET ANY DOUBT ON THIS PLS LET ME KNOW.
| Is This Answer Correct ? | 7 Yes | 0 No |
Answer / subhajit guha
Data might come from different sources.ETL is a concpt of
datawarehousing.Dataware house holds the data marts which
is related to heterogenious data.
So before store the data in datawarehouse, ETL is used for
staging purpose of data.
The abreviation of ETL is Extraction,Trasform and Loading.
ETL tools perform extraction of data from different source,
hen it transform into usable data and load the ransformed
data into Datawarehouse.
there are so many etl tools are available in market....
1. DATA STAGE
2. Informatica
3. Abinstio
4. DATA integrator
5. WEbsphere
| Is This Answer Correct ? | 2 Yes | 0 No |
Where would you look for errors from the database engine?
please send me oracle pl/sql exp resume. and also faqs...
Name two files used for network connection to a database.
what is the link between suppliers and banks in ap module in oracle apps? And also query?
what is diff between pre insert,on insert,post insert triggers?
What command would you use to encrypt a PL/SQL application?
Differentiate between transaction type and transaction source? : oracle accounts receivable
Describe what redo logs are.
What is auto invoicing? : oracle accounts receivable
what are all the conversion and interfaces in GL,AP,AR,HRMS with example? otherwise send send link for these
0 Answers Pathway Technologies,
What command would you use to create a backup control file?
What is Restricted Mode of Instance Startup in Oracle?
Oracle General 
