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Write short notes on transaction state?
A transaction may not always complete its implementation successfully such a transaction is termed aborted
A transaction must be in one of the following states
Active
Partially committed
Failed
Aborted
Committed
how to write tables and drow E-R diagrams for hosiptal management system and how to normalize and cardinalities?
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Key to represent relationship amongs tables is called ? A Key that represent the relationship between tables is called Foreign Key.
define normalisation and functional dependency
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