⟩ What is an Integrity Constrains?
An integrity constraint is a declarative way to define a business rule for a column of a table.
An integrity constraint is a declarative way to define a business rule for a column of a table.
Explain me What are Data Marts?
What is a level of Granularity of a fact table?
Explain What are the Different methods of loading Dimension tables?
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?