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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
Explain how a critical section avoids Race condition. To prevent Race Condition, concurrent processes should be synchronized. Data consistency needs that only one process m
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scope of traffic police management system?
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RST 4.5 is known as TRAP.
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Objectives After going through this part, you will be capable to: Examine the meaning of Pipeline processing and explain pipeline processing architectures; Classify
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