sql 执行报错，why？ 帮我改改，谢谢

[yanjianhong]

declare cursor_basic cursor scroll for select fact_id ,used from basic_db where used=0 for update of used,fact_id
fetch next from cursor_basic into @vchfact_id

while @@fetch_status = 0
begin
...........
end

close cursor_basic

服务器: 消息 16957，级别 16，状态 4，过程 tuili，行 29
[Microsoft][ODBC SQL Server Driver][SQL Server]在 READ ONLY 游标上不能指定 FOR UPDATE。

[txlicenhe]

SQL2000的模板：

-- =============================================
-- Declare and using an UPDATE cursor
-- =============================================
DECLARE <@variable_1, sysname, @v1> <datatype_for_variable_1, sysname, varchar(20)>,
<@variable_2, sysname, @v2> <datatype_for_variable_2, sysname, varchar(40)>

DECLARE <cursor_name, sysname, test_cursor> CURSOR
FOR SELECT <column_1, sysname, au_fname>, <column_2, sysname, au_lname> FROM <table_name, sysname, pubs.dbo.authors>
FOR UPDATE of <column_1, sysname, au_fname>

DECLARE @count smallint
SELECT @count = 1

OPEN <cursor_name, sysname, test_cursor>
FETCH NEXT FROM <cursor_name, sysname, test_cursor> INTO <@variable_1, sysname, @v1>, <@variable_2, sysname, @v2>

WHILE (@@fetch_status <> -1)
BEGIN
IF (@@fetch_status <> -2)
BEGIN
-- PRINT 'add user-defined code here...'
-- eg
PRINT 'updating record of ' + @v1 + ' ' + @v2
UPDATE pubs.dbo.authors
SET au_fname = @v1 + '-' + CAST(@count AS varchar(4))
WHERE au_lname = @v2
END
FETCH NEXT FROM <cursor_name, sysname, test_cursor> INTO <@variable_1, sysname, @v1>, <@variable_2, sysname, @v2>
SELECT @count = @count + 1
END

CLOSE <cursor_name, sysname, test_cursor>
DEALLOCATE <cursor_name, sysname, test_cursor>
GO

[pengdali]

declare cursor_basic cursor for
select fact_id ,used from basic_db where used=0 for update of used,fact_id


fetch next from cursor_basic into @vchfact_id

while @@fetch_status = 0
begin
...........
end

close cursor_basic

[yanjianhong]

pengdali(大力 V3.0) :
谢谢，我想用滚动游标

[shuiniu]

-- =============================================
-- Declare a SCROLL cursor and use various FETCH options
-- =============================================
DECLARE <cursor_name, sysname, test_cursor> SCROLL CURSOR FOR
<select_statement, , SELECT * FROM pubs.dbo.authors>

OPEN <cursor_name, sysname, test_cursor>

-- Fetch the first row in the cursor.
FETCH FIRST FROM <cursor_name, sysname, test_cursor>

-- Fetch the last row in the cursor.
FETCH LAST FROM <cursor_name, sysname, test_cursor>

-- Fetch the row immediately prior to the current row in the cursor.
FETCH PRIOR FROM <cursor_name, sysname, test_cursor>

-- Fetch the row immediately after the current row in the cursor.
FETCH NEXT FROM <cursor_name, sysname, test_cursor>

-- Fetch the nth row in the cursor.
FETCH ABSOLUTE <row_number, int, 8> FROM <cursor_name, sysname, test_cursor>

-- Fetch the row that is n rows before or after the current row.
FETCH RELATIVE <-/+ row_number, int, -2> FROM <cursor_name, sysname, test_cursor>

CLOSE <cursor_name, sysname, test_cursor>
DEALLOCATE <cursor_name, sysname, test_cursor>
GO