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Consistency: This property makes sure that a complete transaction implementation takes a database from one consistent state to another consistent state. If the transaction fails even then the database should come back to a consistent state.
Structure of Client Server Systems: In client/server architecture, clients show users who require services while servers give services. Both client and server are a combination of
Association as a cache This association must be updated when any new element is added to it, but testing for overlap using association is more efficient. Figure:
A student entity type has the following attributes,name..
under what condition log based recovery is feasible?
1) Define a job scheduling strategy that will meet business requirement of reporting availability by 6am CST for the following cubes? Show the job scheduling dependencies in a pict
Define a property that is not a property of transactions? Ans: Concurrency is not a property of transactions
Explain Dynamic Two-Phase Locking Here a transaction locks a data item instantly earlier than any operation is applied on the data item. After finishing all the operations on
What are the comparison operator in SQL? Comparison operator in SQL are =, LIKE and BETWEEN
SELECT Statement This statement is used for retrieving information from the databases. It can be coupled with many clauses. Let us talk about these clauses in more detail:
in case of functional dependencies how we get the higher normal form.
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