Introduction of the term universe in SQL
Give a brief introduction of the term universe in SQL? Brief explain the kinds of universes in business objects?
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Mapping data in database is done through semantic layer known as Universe . It detaches the decisive employs from complex structures of database. The universes are: Secured – Alters made in the universe can be exported. The other two are shared and Personal.
Illustrates all databases should be in third normal form or not?
State the steps for “this message could not delete” from the particular tables?
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Describe briefly Aggregate transformation?
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