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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
Explanation The values of global variables can be used and changed all over the project within all scripts and libraries. However it is highly recommended to remain the number o
what is robot?explain different types of robots with respect to joints.
How many methods used to control traffic flowing into and out of the network by firewall? Firewalls utilize one or more of three ways to control traffic flowing into and out of
Control Unit (CU) : Every PEs are under the control of one control unit. CU controls the inter communication among the PEs. There is a local memory of CU also known as CY memory.
Q. Define diffrent aspects of a System? The aspects of a System are as below: Organization implies order and structure. It is aprearrangement of components which helps t
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
Q. Define Point-to-point Communication? The simplest form of message is a point to point communication. A message is sent from the transmitting processor to a receiving process
A 6-bit R-2R ladder D/A converter has a reference voltage of 6.5V. It meets standard linearity.Find (i) The Resolution in Percent. (ii) The output voltage for the word 011100.
Common channel signalling in SS7 is (A) out band control channel. (B) In band control channel. (C) Speech control channel. (D) None of the above. Ans:
JavaBeans are reusable software components written in the Java programming language, designed to be influenced visually by a software development environment, like JBuilder or Visu
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