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What Command You Use What Day of the week were you born
Deadlock And Its Prevention: As seen earlier, though two phase locking protocol handles the trouble of serialisability, but it causes some troubles also. For instance, consider th
Explain the structure of well formed formulae in relational calculus. Ans: a. An atom is a formula b. If P1 is a formula, after that so are ¬P1 and (P1) c. If P1 and P2 a
Describe Participation Constraints? Participation Constraints - The participation constraint exacts whether the existence of an entity depends on its being related to another
exercise solution
What is the use of unique function? UNIQUE function: If UNIQUE is specified then only unique values are used to computed the mean.
Ask questioYou are the database administrator in a university. You have been tasked to come up with a new database for the University. Using the stages in Database Life Cycle come
What is multiple relationship ?
i need to implememnt a treee based mining algorithm. do you have an expert that can do that?
What are the two approaches to store relations in distributed database? a) Replication b) Fragmentation
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