Explain the difference between filter and conditin?
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What is a real-time data warehouse? How is it different from near to real-time data warehouse?
Explain is olap databases are called decision support system true/false?
What is data stream and data adaopter?
What is dimensional modelling?
Is union transormation is active transformation?
How to answer the question how many fakt table in your datawarehouse and what size it have?
Explain what are the different types of data warehousing?
How to pivot data using informatica when you have variable amount of pivot rows?
Give some difference between oltp and olap.
What are the fundamental elements of the data warehouse?
Explain dimensional modelling?
Explain what are the various methods of getting incremental records or delta records from the source systems?