Teradata (490)
Business Objects (875)
Cognos (1143)
Informatica (2428)
Crystal Enterprise Suite (30)
Actuate (46)
Ab Initio (442)
Data Stage (917)
SAS (1049)
Micro Strategy (282)
ETL (315)
OBIEE (92)
IBM Cognos TM1 (55)
Amazon Redshift (62)
Data Warehouse General (749) Difference between data warehousing and olap?
What is etl tool in hadoop?
Can anyone tell me a difficult situation who have handled while creating Datastage jobs?
Explain and compare etl & manual development?
What are the different types of scd's used in data warehousing?
Whenever we load data into oracle table from staging table using exchange partition...then I read somewhere that data actually doesn't move in this and this command only reset the pointer in the data dictionary...so if data doesn't move then how data is loaded into the main table ? I mean wat is the point of pointer update in data dictionary?
what are the errors faced while bursting the reports and how to solve those errors?
Explain the difference between using drop = data set option in set and data statement?
What is the different lookup cache(s)?
1.Have u logical models in project? If s which logical model used? 2.how do u connect to production server? 3. how do u test the data in report is same as in DWH? 4. u created one report but there is no data in the attribute. But how can u extract the data from ware house? 5. u have two tables having different ids how do u merge those table in MSTR? 6. have u faced challenging situation in u r project? Give me one example?
what is null hypothesis? why do you consider that?
Explain access control?
Explain batch processing in ab initio?
In a table can we use primary key in one column and in another column both unique and not null constrains.if yes how?
Compare ETL & Manual development?