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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 about Computer architecture Computer architecture is the conceptual design and fundamental operational structure of a computer system. It is a blueprint and functional
Which is not a layer of IO management module? Ans. MCS that is Management Control System, is not a layer of IO management module.
Error detection mechanism may include checking mechanical and data communication errors. These errors must be reported to processor. The illustrations of kind of mechanical errors
Assignment 2: K-nearest neighbor for text classification. The goal of text classification is to identify the topic for a piece of text (news article, web-blog, etc.). Text clas
Subtraction 11001-10110 using 1's complement Ans. 11001 - 10110 01001 is 1' s Compliment of 10110, so 1 1 0 0 1 + 0 1 0 0 1 ------------------ 1 0 0 0 1 0 Add 1
How to send a report to the printer instead of displaying it on the screen? We can send a report to the printer instead of displaying it on the screen. To do this, use the key
The process which is underlined throughout the check of base data is called as candidate check. When performing candidate check performance varies either towards the positive side
Use of instruction register and program counter: Q. What is the use of instruction register (IR) and program counter (PC)? Ans: The instruction register (IR) holds the inst
What is a pre-processor? A pre-processor is a program that procedure the source code before it passes by the compiler. It handles under the control of pre-processor directive.
example pumping lemma.
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