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.
What is meant by the term merge?
What do you understand by the term concurrency control in DBMS?
What are the two means to explain the content of XML documents?
Consider a MOVIE database in which data is recorded about the movie industry. The data requirements are summarized as follows: ¦ Each movie is identified by title and year of release. Each movie has a length in minutes. Each has a production company, and each is classified under one or more genre
Explain how in a relation a supertype or subtype is mapped?
Illustrates the applications of ASA?
When is a functional dependency F considers as to be minimal?
Write a brief note on a distributed database?
Under what conditions should indexes are employed?
Illustrates the case statement present into stored procedure?
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