Explain the main differences between star and snowflake schema?
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if you use oracle sql*loader , how do you transform data with it during loading?
What is your spectra photometer working principles?
What is Data purging?
What is factless fact tables?
Hi Friends, Can anyone tell me. is there any certification in Database testing or BI testing or ETL testing international certification? Thanks ArunKumar
Explain what are the various methods of getting incremental records or delta records from the source systems?
What is the "junk dimension"? Give with examples?
Compare cold fusion with other programming languages?
What are the different problems that ?Data mining? can solve?
suppose data are coming from different locations and those data will not change . is there any need to use surrogate key ?
Theare is a Database In analysis services,How we will specify the fact table.(i.e whether we will create the measure objects for the fact tbl.) or it will reside insde the database.
Explain how to generate iqd file from framework manager?