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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 the significance of the memory table 'SCREEN'? At runtime, attributes for every screen field are stored in the memory table called 'SCREEN'. We need not declare this
The address bus is unidirectional due to the address information is always given by the Micro Processor to address a memory location of an input or output devices.
how to write mobile keypad program in c++
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UDP (User Diagram Protocol) is? It is both Connectionless and Message Oriented.
What is the maximum size of a database that can be opened in Microsoft Access? Ans) 1 Gigabyte
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SQL Injection includes entering SQL code into web forms, eg. login fields, or into the browser address field, to access and manipulate the database across the site, application or
Q. Disk operating system? The operating system (OS) is the first program that should be loaded into the memory of your PC before you can use it for any application. You can st
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