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composite attribute
What is a relationship called when it is maintained between two entities? A relationship is called Binary relationship when it is maintained between two entities.
to develop elrctronic database from manual forms
What is the purpose of storage manager? The storage manager is responsible for the following a) Interaction with the file manager b) Translation of DML commands in to low
Define access time. Access time is the time from when a read or write request is issued to when data transfer starts.
How many types of users works on database? Users are differentiated through the way they expect to interact along with the system (i) Application programmers-interact with
Explain view in RDBMS? View - A view is a relation (virtual rather than base) and could be used in query expressions, which is, queries can be written by using the view as a re
What is an index? An index is a structure that helps to place desired records of a relation quickly, without probing all records.
What are the uses of ODBC? Under what circumstances we use this technology? ODBC expose database capabilities within a standardized way to the application programmer by an ap
Explain Authorization and Integrity Manager ? Authorization and Integrity Manager: Tests for the satisfaction of integrity constraints and checks the authority of users to acce
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