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The need for three level architecture The aim of the three level architecture is to divide each user's view of the database from the way the database is physically shown.
In a Hierarchical model of data records are organized ? In the hierarchical model of data records are organized as Tree structure.
In E-R diagram how generalization is represented? in E-R diagram generalization is represented by Triangle shape.
Define query optimization. Query optimization refers to the process of search the lowest -cost method of evaluating a given query.
various techniques of hashing?
Soccer player ER Diagram to Relational database schema
Convert the following ER - diagram (Entity Relationship Diagram) into a relational database (the primary keys are underlined): 2160_Convert the following ER - diagram into a
What is a homogeneous distributed database? In homogeneous distributed databases, all sites have the same database management system software, are aware of one another, and agr
Let us now make the E-R diagram for the student database as per the explanation given in the previous section. We can also states the overall logical structure of a database usi
Describe in brief about DBMS ?
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