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Explain Transaction manager and their work?
Transaction Manager: Ensure the database remains in a constant (correct) state despite system failure, and in which concurrent transaction executions proceed without conflicting.
Explain the concepts of relational data model? Relational Data Model - The relational model was first introduced through Prof. E.F. Codd of the IBM Research in the year 1970
How are tables stored on Disk? We realise that every record of a table can have different amounts of data. This is due to in some records; some attribute values may be "zero".
#question. acompani datdbase needs to store information about employees (identified by a social security number,with salary and phone as attributes) and departments (identified by
What are ways of finding out either an update is required or not for derived attributes? The ways to find out an update is required or, not are as: Explicit update
What type of view of total database content? Data base content Conceptual view of total database contain.
Define blocks? The database system resides eternally on non-volatile storage, and is into fixed-length storage units known as blocks.
The H. I. Topi School of Business operates international business programs in 10 locations throughout Europe. The school had its first class of graduates in 1965. The school keep
i am not clear with the climetic condition of the north indian plain. can u plz explain it for me
can you resolve this for me please? Database Management Systems Homework 1 The following relations are given (primary keys are underlined): PLAY-ACTOR(AId, Name, Nationality, Birt
how oracle can be used
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