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What is a view? How it is related to data independence? A view might be thought of as a virtual table, that is, a table that does not really exist in its own right but is inste
Illustrate different types of Locks in SQL Server. There are three kinds of locks in SQL Server i.) Shared locks - These are used for operations which don't allow any update
Explain TPS concurreny executions stating their advantages in online business advancement
Explain the Weak Entity Set An Entity set which does not have sufficient attribute to make a primay key is known as weak entity set. For instance, dependents of an employee in
Two Phase Locking (2PL) The two-phase locking protocol having of two phases: Phase 1 : The lock acquisition phase : If a transaction T needs to read an object, it wants to
need a DBMS system on any data for assignment.
While sorting field groups we cannot use more than one key field False.
What are the comparison operator in SQL? Comparison operator in SQL are =, LIKE and BETWEEN
Components of database manager The above functions are reached by the database manager. The major elements of a database manager are: Authorisation control: This mod
Homework chapter 10 no 3
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