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Increases efficiency: Data is stored close to most often used site, therefore retrieval would be faster. Also, data that is not required by local applications is not stored, therefore the size of data to be looked into is smaller.
brief history,definition,current trends and future trends if any of data fragmentation
Components of database manager The above functions are reached by the database manager. The major elements of a database manager are: Authorisation control: This mod
Why is database design important?
What is meant by object identifiers? Object-oriented systems use an object identifier to recognize objects. Object identifiers are unique: that is every object has a single ide
random file orgnization
Explain the Weak Entity Set An Entity set which does not have sufficient attribute to make a primay key is known as weak entity set. For instance, dependents of an employee in
Determine object representation As a designer, we must choose properly that when to use primitive types in representing objects and when to combine groups of related objects,
Hello.I have database access assignment which consist of creation Form, Subform, Calculation, Macros
what is completeness constrent?
what is the need of a log in dbms
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