if '未审'<>(select b.text as moren from syscolumns a left join syscomments b on a.cdefault=b.id
where a.id=object_id('DkSx') and a.name='YwSpLx')
alter table DkSx add default('未审') for YwSpLx
判断某字段默认值是否为指定字符时报错:
')' 附近有语法错误。
------解决方案-------------------- alter table 表
drop constraint default约束的名称