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In which relational modes, cardinality is termed?
Answer : Cardinality is termed in a number of tuples relational modes.
Rules Of Data Normalisation Let us now summarise Normalisation with the help of various clean rules. The following are the necessary rules for the Normalisation process: 1.
write short note on mobile database
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Determine object representation As a designer, we must choose properly that when to use primitive types in representing objects and when to combine groups of related objects,
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What are the costs to be considered when a transaction has to be rolled back when recovering from deadlock? Ans: A few transaction will must rolled back (made a victim)
Why 'AS' clause is used in SQL ? 'As' clause is used for Rename operation. ‘AS' clause is used in SQL for rename operation. (e.g., SELECT ENO AS EMPLOYEE_NO FROM EMP)
Explain TPS concurreny executions stating their advantages in online business advancement
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