Update And Delete Restrict - A referential integrity rule that disallows the update or deletion of referenced data. DELETE Cascade - When a referenced row is deleted all associated dependent rows are deleted.
Explain piconet?
What is ODS?
What is Normalization, First Normal Form, Second Normal Form, Third Normal Form?
What is Snow Flake Schema?
What are vaious ETL tools in the Market?
Explain What type of Indexing mechanism do we need to use for a typical datawarehouse?
What is pre-emptive and non-pre-emptive?
Explain Why should you put your data warehouse on a different system than your OLTP system?
List down some of the real time data-warehousing tools?
What is a general purpose scheduling tool?
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