What is the use of cursor in SQL 2008? Can anyone explain in simple words?

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We can do update, delete, sum(amount),alter using Cursor in sql. But we can do this using normal queries also. Then why does we use Cursor though it is very slow to return output?

What I have tried:

Tried some Cursor examples from Google.

Posted 17-Nov-17 23:03pm

HarshadaBS

Updated 17-Nov-17 23:40pm

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Mehdi Gholam · Answer 1 · 2017-11-17T23:11:00

Solution 1

Read the documentation :
DECLARE CURSOR (Transact-SQL) | Microsoft Docs[^]
SQL Server cursor tutorial[^]
Part 1: How cursors work[^]

Posted 17-Nov-17 23:11pm

Mehdi Gholam

CHill60 · Answer 2 · 2017-11-17T23:40:00

Solution 2

It's quite probable that you do not need a cursor at all. SQL is set-based.

I wrote an article to explain why Processing Loops in SQL Server[^]

Posted 17-Nov-17 23:40pm

CHill60