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Discuss the mechanism to read data from and write to a disk? Disk read/write heads are mechanisms in which read data from or write data to disk drives. The heads have gone by
Clustering Indexes It may be an excellent idea to keep data of the students in the order of the programme they have registered as most of the data file accesses may need studen
Database Administrator One of the main perpose for having the database management system is to have control of both data or programs accessing that data. The person having li
The data of a view is not physically stored, but derived from one or more tables. True the data of a view is not physically stored
explain equi-join using illustration
Question : Object-Oriented Database (OODM) is defined as a logical data model that captures the semantics of objects supported in object-oriented programming. An Object-Oriente
What is called an evaluation primitive? A relational algebra operation annotated with instructions on how to evaluate is known as an evaluation primitive.
Isolation or Independence : The isolation property shows that the updates of a transaction should not be visible till they are committed. Isolation assurance that the progresses of
What is the max. no. Of structures that can be included in a table or structure. Nine.
how to make an e r diagram?
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