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What is Cursor?
Cursor is a database object used by applications to manipulate data in a set on a row-by- row basis, instead of the typical SQL commands that operate on all the rows in the set at one time.
In order to work with a cursor we require performing some steps in the following order:
Declare cursor
Open cursor
Fetch row from the cursor
Process fetched row
Close cursor
Deallocate cursor
What are batch systems? Batch systems are quite appropriate for implementing large jobs that need little interaction. The user can submit jobs and return later for the results
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8085 the interrupts are classified as Software and Hardware interrupts.
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Explain the meaning of LISTEN socket primitive The listen Primitive: After identifying a protocol port a server should instruct the operating system to place a socket
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