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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 happens if only one of the commands SET SCREEN and LEAVE SCREEN is used without using the other? If we use SET SCREEN without LEAVE SCREEN, the program ends processing for
Write a program to find the area under the curve y = f(x) between x = a and x = b, integrate y = f(x) between the limits of a and b. The area under a curve between two points can b
Q.--> The program simulates a student management system having thE following:The interface uses command buttons to (i) add,edit,delete,update and cancel the records, (ii) to naviga
Q. Write a program to perform multiplication of two numbers in specified radix. Check that entered numbers are in specified radix or not else error message should be displayed.
One Erlang is equal to (A) 3600 CCS (B) 36 CCS (C) 60 CCS (D) 24 CCS Ans: One Erlang is equivalent to 3600 CCS.
Define peripheral. Devices that are under the direct control of computer are said to be linked online. These devices are intended to read information into or out of the memory
Explain the term Progressive Control. Progressive Control: Step by step system is an illustration of progressive control. The connection is established in stages, in respo
What is XML DTD (Document Type Definition)? DTD is a document which defines legal building blocks of a particular XML document. This defines the document structure along with
What are Attributes? Attributes are declarative tags in code that insert additional metadata into an assembly. There exist two types of attributes in the .NET Framework: Pred
Zero address instruction format is used for (A) RISC architecture. (B) CISC architecture. (C) Von-Neuman architecture. (D) Stack-organized architecture.
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