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With the help of a suitable diagram gives module wise explanation of system architecture of DBMS.on..
what is query processing ,query optimization and performance turring?
Differance between internal and external schema? Internal and external schema: Internal Schema • Describes the physical storage structure • Uses a physical data model External
1) Information about a bank is about customers and their account. Customer has a name, address which consists of house number, area and city, and one or more phone numbers. Ac
Natural Join : It is the similar like Equi join except one of the duplicate columns is removed in the result table. The natural join is the most usually used form of join operation
Funky Festivals Specification Funky Festivals organise music festivals which take place at various venues throughout the UK. A venue needs to be booked before a Festival can t
What are the three classes of SQL expression? SQL expression consists of three clauses: Select From Where
Define query optimization. Query optimization refers to the process of search the lowest -cost method of evaluating a given query.
Define Deadlock recovery measures To recover from deadlock, the cycle in the wait-for-graph should be broken. The common technique of doing this is to rollbac
how draw er diagram
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