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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
Process: pid start time end time priority timeslice list of CPU bursts list of IO bursts (the number of IO burst will always be 1 less than the number of CPU
Magnify a triangle with vertices A = (0,0), B = (3,3) and C = (6,4) to twice its size in such a way that A remains in its original position.
How do you turn off cookies for one page in your site? Use the Cookie. Discard Property which Gets or sets the discard flag set by the server. When true, this property initiat
What is a Turing Machine? Turing machine is a simple mathematical model of a computer. TM has unlimited an unrestricted memory and is a much more accurate model of a general
Explain all the categories that are served by Common Control switching. Common Control Switching System: It is a functional block diagram of a common control switching system i
Q. Explain basic function of Keyboard? Keyboard is the major input device for your computer. It is an accurate and fast device. The multiple character keys permit you to transm
What is BSS(Block Started by Symbol)? A data showing at the machine level, that has initial values when a program begins and tells about how much space the kernel assigns for t
Functions carried out by different operating systems The below is a list of functions carried out by different operating systems: - Provides a user interface - Device man
a) Total available bandwidth = 1 Mbps = 1000 Kbps Each user requires send data at the rate of = 500 kbps As it is circuit switched network we have to dedicate the bandwidth So the
The Throughput graph represents the amount of data in bytes that the Vusers received from the server in a second. When we evaluate this with the transaction response time, we will
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