Explain contexts
Explain the term Contexts?
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A context refers to the rule which determines which of two paths may be chosen when more than one path is possible within the database from one table to the other one. It helps in resolving loops developed by the several joins in the universe tables.
Explain briefly the term data mart?
Give a brief introduction of the term Dimensional Modeling?
Write down the some of the important security characteristics of a DBMS?
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