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Is it mandatory to declare all the tables in Report by the key word tables for all the tables that exist in the structure of LDB, and are being explained in the Database part of LD
Explain the dependency relationship of object oriented A dependency is a relationship which states that a change in specification of one thing can affect another thing, but n
What is the use of integrity constraints? Integrity constraints make sure that changes made to the database by authorized users do not result in a loss of data consistency. The
WOUND-WAIT
Determine Which is not a consequence of concurrent operations? Ans: Update anomaly.
Having clause This clause is used for producing conditions on grouped information. Example: Find maximum salary and department number of those departments where maxim
prototype of a distributed information system for a national car part retail outlet chain.
Define the term Domain. For each n every attribute there is a set of permitted values known as the domain of that attribute.
What is deadlock? How can it be avoided? How can it be resolved once it occurs? Deadlock happens when two transactions are each waiting on a resource that the other transaction
why older data models are being replaced by new data models.
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