cursor en SQL Server
DECLARE @TempTable AS TABLE (Id INT, [Name] VARCHAR(200));
INSERT INTO @TempTable
VALUES (1,'Test Name1'),
(2,'Test Name2'),
(3,'Test Name2')
DECLARE
@Id INT,
@Name VARCHAR(200);
DECLARE cursor_personInfo CURSOR
FOR SELECT
Id,
[Name]
FROM
@TempTable;
OPEN cursor_personInfo;
FETCH NEXT FROM cursor_personInfo INTO
@Id,
@Name;
WHILE @@FETCH_STATUS = 0
BEGIN
PRINT CONVERT(VARCHAR(10),@Id) +' '+ @Name;
FETCH NEXT FROM cursor_personInfo INTO
@Id,
@Name;
END;
CLOSE cursor_personInfo;
DEALLOCATE cursor_personInfo;
/*
Declare – Declares the cursor with a name and the select statement which populates the result set
Open – Opens a cursor and populates the cursor by executing the select statement which is specified while declaring a cursor
Fetch – To retrieve a specific row from the cursor based on the fetch arguments like NEXT, FIRST, LAST, etc
Close – Closes the current result set of SQL Server cursor and can be reopened
Deallocate – Removes cursor reference and releases all the resources associated with a cursor
*/
Tiny Coders