Simple usage of SQL Server cursors

Source: Internet
Author: User

SQL Server cursors:

--Defining cursors

Declare cursor1 cursor FOR select Id,name from A

--Open cursor

Open Cursor1

DECLARE @id int

DECLARE @name varchar (50)

DECLARE @n int

DECLARE @i int=1

Set @n= (select COUNT (1) from A)

while (@i<@n)


Set @[email protected]+1

FETCH NEXT from Cursor1 to @id, @name

Select @id Select @name


--Close cursor

Close Cursor1

--Releases the cursor and cannot open the cursor after it is released.

Deallocate Cursor1

Simple usage of SQL Server cursors

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