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Backward Recovery (UNDO):In this system the uncommitted changes made by a transaction to a database are undone. Instead the system is reset to the last consistent state of database that is free from any errors.
In this practical assignment, we will run through a complete database application development cycle, starting with the schema design, from an initial data import to database applic
3 assignments combined in 1
Explain the cartesian product in Database Management System
Write a query that display ename annual salary and comm from emp table
What is a block and a block number? A block is a contiguous sequence of sectors from a single track of one platter. Every request specifies the address on the disk to be refere
Problem Explain at least five relational algebraic operators with a suitable example. Note: All the above descriptions should be done by taking at least two examples from ou
explain exhaustively the problems associated with ER diagrams. include illustrations in your answer
What is the main difference between read-only and update methods? A read-only method does not affect the values of a variable in an object, whereas an update method may alter t
Explain recovery process after system failure using checkpoint. Ans: Checkpoint scheme or method is an extra component of the log based recovery system. This scheme is used to
Which two tools are used to administer users for Active Directory?
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