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What is storage manager? A storage manager is a program module that gives the interface between the Low level data kept in a database and the application programs
Explain Authorization and Integrity Manager ? Authorization and Integrity Manager: Tests for the satisfaction of integrity constraints and checks the authority of users to acce
Find the names of all Albums that have more than 30 tracks. Result: (name: varchar(255))
write on the various type of relationalkey
Explain Derived and Non-Derived Attribute? In few cases, two or more attribute values are related, for instance, Age and BirthDate attributes of a person. For specific person e
What is NULL? Simply NULL means not in value.
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Consider the following six relation schemes and their corresponding sets of functional dependencies. In each case identify a. All the candidate keys b. The highest normal for
Explain the term- Periodic recomputation Periodic recomputation: Base values are often updated in bunches. Sometimes, it is possible to just recompute all derived attributes p
Differentiate between logical database design and physical database design. Show how this separation leads to data independence? Basis Logical Databas
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