1.Identify and discuss the problems which are occurred
during data quality verification for the single-source and
multi-source problems.
2.Testing has very important role in DWH. In ETL testing
phase, how can we perform the integration testing and
regression testing?
3.What are the perquisites of system testing and regression
testing in ETL phase?
No Answer is Posted For this Question
Be the First to Post Answer
Explain etl?
What is abap? What are idocs?
What is etl process?
What are the types of data warehouse applications and what is the difference between data mining and data warehousing?
working of line item dimension......pls,tell overall flow
Can we parametrize the values of IN statement. Ex. Inside parameter file: Parameter='A','B','C' Inside Code: IN (INPUT_CHARACTER, $$Parameter)
Assume u have a 24CPU machine with 24GB RAM, suggest how u would like to configure Informatica ,like number of concurrent sessions, RAM requirements etc,max partitions that u would permit per mapping.
Informatica server and client are in different machines. You run the session from the server manager by specifying the source and target databases. It displays error . You are confident that everything is correct. Then why it is displaying the error?
we hava a flat file having more than 1000 records and two targets. i have to write first half of the rows into first targets and next half of rows into second target. how can i do in informetica??
what are the facilities provided by OLAP to analytical users?
how does the server recongnise the source and target databases.Elaborate on this
how can i text accracy of ETL migration? i am very new to data warehousing. we are writing ETL scripts using SCRIPELLA tool. how can i test the correctness of data. and we are generating reports using pentaho . is there any easy way to test the pentaho. how can test these ETL scripts written in scriptella? thanks in advance