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Question:
One of the tasks a database management system must perform is to ensure that the data is still intact in the face of software and hardware failure. This task is known as recovery.
(a) Describe the three basic steps involved in recovery.
(b) Describe the three types of failure in a database system. Support your answer with appropriate example.
(c) Explain in details how you would recover from all the three types of the failure described above.
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In an E-R diagram an entity set is represent by? In an E-R digram entity set is represted by rectangle.
Define check point and its impact on data base recovery. Ans: There could be hundreds of transactions handled per minute, in a large on-line database system.
which component of DBMS can be embedded in a program? The data manipulation language (DML) is a component which is embedded in a program.
A database administrator''s responsibilities and data contents
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