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hemant kumar
What is cursors?
1 Answer(s)      4 years and 2 months ago
Posted in : SQL

What is cursors?

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November 18, 2010 at 3:31 PM


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 need to perform some steps in the following order:

1- Declare cursor

2- Open cursor

3- Fetch row from the cursor

4- Process fetched row

5- Close cursor

6- Deallocate cursor


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