What do you understand by the term deadlock in DBMS
What do you understand by the term deadlock in DBMS? How can it be avoided? How can it be solved once it happens?
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Deadlock happens if two transactions are each waiting on a resource that the other transaction holds. Deadlock can be solved by requiring transactions to acquire all locks at the same time; once it happens, the only way to treat it is to abort one of the transactions and back out of partially completed work.
Define the term filter?
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Consider a MOVIE database in which data is recorded about the movie industry. The data requirements are summarized as follows: ¦ Each movie is identified by title and year of release. Each movie has a length in minutes. Each has a production company, and each is classified under one or more genre
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