select * from FZ_MTL where mtl_type = '3';
DELETE from FZ_MTL WHERE id='4028fde5774b813901775b3c6df60137';
UPDATE FZ_MTL WHERE id='8000226008' SET wlzlyt='1';
sqlserver更新特定字段
declare @n int
set @n=6
update top(@n) FZ_MTL SET sftjsy='Y' WHERE mtl_type in ('2','3','4')