示例
下面的示例打开一个全局游标，并使用 sp_describe_cursor_columns 报告游标所使用的列。

USE Northwind
GO
-- Declare and open a global cursor.
DECLARE abc CURSOR KEYSET FOR
SELECT LastName
FROM Employees
GO
OPEN abc

-- Declare a cursor variable to hold the cursor output variable
-- from sp_describe_cursor_columns.
DECLARE @Report CURSOR

-- Execute sp_describe_cursor_columns into the cursor variable.
EXEC master.dbo.sp_describe_cursor_columns
@cursor_return = @Report OUTPUT,
@cursor_source = N'global', @cursor_identity = N'abc'

-- Fetch all the rows from the sp_describe_cursor_columns output cursor.
FETCH NEXT from @Report
WHILE (@@FETCH_STATUS <> -1)
BEGIN
FETCH NEXT from @Report
END

-- Close and deallocate the cursor from sp_describe_cursor_columns.
CLOSE @Report
DEALLOCATE @Report
GO
-- Close and deallocate the original cursor.
CLOSE abc
DEALLOCATE abc
GO