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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 is a structure? A structure is a collection of variables under a single name. These variables can be of different types, and each has a name which is used to select it fro
Explain Hypertext Transfer Protocol. HTTP is used mainly in today's society like a set of rules for exchanging files (graphic images, text, sound, other multimedia files or vid
Now let's get a grip on how to add interactivity to your web documents by way of the tag. With this tag you can add to your web pages a guestbook, surveys, order forms, ge
Instruction Length: Variable-length instructions (Intel 80x86, VAX) need multi-step fetch and decode, but permit for a much more flexible and compressed instruction set.
Q. Illustrate working of rubber dome keyboards? Rubber Dome: In rubber dome keyboards both positioning and contact are controlled by a puckered sheet of elastomer that is a s
What is the Scope of public/private/friend/protected/protected friend? Scope of public/private/friend/protected/protected friend. Visual Basic/Visual C# Public/pub
Q. Show the Classification of Printers? Printers can be classified on following bases: a) Impact: Impact printers print by impact of hammers on ribbon (for example Dot-Matri
What is big endian and little endian format? The name big endian is used when lower byte addresses are used for the more important of the word. The name little endian is used f
This boils down to the concept of Binary digits. Take an array size of 64 for example. We begin from 0 and end at 63. We need 6 bits.But, if we were to begin from 1 and end at 64,
Cathode Ray Tube Technology (CRT) CRT is an analog device that is used by a digital device - computer. The interface between these two devices is described. The major component
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