Describe data warehouse
Describe briefly the term data warehouse?
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A data warehouse is systemized around specific subjects. The data is defined employing consistent naming, encoding structure standards, and format. The data consists of a time element, in order that the data can be studied for trends. No data can be updated by end users in a data warehouse.
Provide a brief introduction of the term cubes?
Describe the inconsistent values problem? Comprise an appropriate example?
Explain how is the HASH file used and where we can use it?
Explain the stored procedure in the Teradata?
Describe briefly the difference between pessimistic locking and optimistic locking?
Write down the steps for transforming an entity into a table?
Explain, what are Dimensional table?
Identify those statements are true about a foreign key?
Explain the extended, standard and secured mode?
Describe briefly the ‘paradigm mismatch’ among SQL and application programming languages.
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