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What are the two types of errors? The two types of errors are: a) Logical error b) System error
Differentiate between a unique key and a primary key. - By default, clustered index on column are created by primary key while nonclustered index are created by unique key.
Dependency Preservation It is obvious that the decomposition must be lossless so that we do not lose any information from the relation that is decomposed. Dependency preservati
What are wait-for-graphs?Give the algorithm to construct a wait-for-graph from a given schedule of transactions? How can deadlocks be detected from wait-for-graphs? Ans: The
I need some help with my normalization database homework.
What is the difference between SQL Server 2000 complete and differential backups? A complete backup makes a copy of the whole database. A differential backup creates a copy of
Which method of access uses key transformation? A Hash method of access uses key transformation.
what are the states of transaction?
what is the importance of back up files
To delete a particular column in a relation which command is used ? To delete a particular column in a relation ALTER command is used.
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