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Differentiate strict two phase locking protocol and rigorous two phase locking protocol.
In strict two phase locking protocol all exclusive mode locks taken by a transaction is held unless that transaction commits.
Rigorous two phase locking protocol needs that all locks be held until the transaction commits.
what is cascading? what is rollback cascading? please explain in detail
it can be possible to create any table without primary key
WHAT IS MEANT BY E-R MODEL
What are the two types of indices? The two types of indices are:- A) Dense index B) Sparse index
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Northwind Pty Ltd sells a variety of food products throughout the world. They want to use the reporting features of SAP's Business Information Warehouse to better understand their
What are the comparison operator in SQL? Comparison operator in SQL are =, LIKE and BETWEEN
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