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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
Register Addressing mode - computer architecture: Register Addressing: Register addressing mode is same to direct addressing. Only difference in between is that the addre
Should validation (did the user enter a real date) occur server-side or client-side? Why? Validation will be completed in both sides i.e., at the server side and client side. S
Q. What is Parallel Loop Construct? Parallel loop construct is a shortcut for specifying parallel construct comprising one loop construct and no other statements. The syntax of
Simplify the given expressions using Boolean postulates XY + X‾Z‾ + XY‾Z (XY + Z) Ans. XY + X‾Z‾ + XY‾Z (XY + Z) = XY + X‾Z‾ + XY‾Z (XY + Z) = XY + X‾Z‾ + XXYY‾Z
Explain about the e-commerce over extranets. Extranets are regarding “joining up” the supply chain-suppliers, distributors, resellers and customers are enabling business-to bus
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Q. Write a program to perform multiplication of two numbers in specified radix. Check that entered numbers are in specified radix or not else error message should be displayed.
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Explain the multiple bus organization structure with neat diagram. The multiple bus organization is using more buses instead of one bus to decrease the number of steps needed an
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