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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
External interface is interface between I/O interface and peripheral devices. Interface can be characterised into 2 main categories: (a) parallel interface and (b) serial interface
What is SAP dispatcher? SAP dispatcher is the control agent that handles the resources for the R/3 applications.
State about the multiple inheritance multiple inheritance is shown in Figure. In this, one class is inherited from more than one class.
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Differences between internal and external treatment in boiler
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Enumerate the Design reusability of VHDL VHDL. Functions and Procedures may be placed in a package so that they are available to any design-unit which wishes t
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