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What does authentication refer?
Authentication refers to the task of verifying the uniqueness of a person.
need a DBMS system on any data for assignment.
Consider the following relations: BRANCH( bno, street, area, city, pcode, Tel_no, Fax_no) STAFF( Sno, Fname, Lname, address, position , salary, bno) Express the subsequent qu
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Define Serializable schedule Serializable schedule: An interleaved schedule of much more than one transaction is known as a serializable schedule, if it is equal to some serial
A database to track your progress in your college program will track your progress towards graduation! A database that has information containing the classes that you have taken, c
What is a guard condition? Explain it with a suitable example. The guard-condition is a Boolean expression written with respect to parameters of triggering event and attributes
Improved availability: The data in a distributed system may be replicated so that it is at more than one site. Thus, the failure of a node or a communication link does not necessar
Which database level is closest to the users? External database level is closest to the users.
explain exhausitively the problems associated with er diagrams with ellustrations
Differentiate between natural join and outer join? Natural join is a binary operator which is written as (R * S) where as R and S are relations. The output of the natural join
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