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how does Btree differ from a B+ - tree?
What functions does a data dictionary perform? In a (DBMS)data management system, the principal functions performed by the data dictionary are Management of data defini
The Update Operations : Update operations are used for altering database values. The constraint violations faced by this operation are logically the similar as the problem faced
In an E-R diagram how attributes are represented ? In an E-R diagram attributes are represented in a ellipse.
Explain data abstraction? Data abstraction Data abstraction is a methodology in which enables us to isolate how a compound data object is utilized from the details of how it is
File Organisation In Dbms Introduction Databases are used to store information. Usually, the principal operations we have to perform on database are those relating to:
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What is an Operand? The data on which the operation is to be performed is known as an Operand
Define query optimization. Query optimization refers to the process of search the lowest -cost method of evaluating a given query.
Define DBA database administrator? DBA : A database administrator (DBA) is a person who is responsible for the environmental aspects of a database. In common, these involves:
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