ALTER TABLE xxx ADD actobj_count NUMERIC(3) NULL; EXECUTE sp_addextendedproperty N'MS_Description', N'该活动下的活动对象个数', N'user', N'dbo', N'table', N'gl_activity', N'column', N'actobj_count'; ALTER TABLE gl_activity_customer DROP COLUMN has_statistics; DROP TRIGGER actStatisticsTrigger_actObj_update;
参考: http://blog.csdn.net/dragoo1/article/details/23762637
http://wenku.baidu.com/link?url=k3zz7Zx_5kZ46om3LBWg_KoXeWwlrMGUBKYlD1WZmVQ2v11Zz9--cpGtfPNl82J2oPoJ3Z9-VPjKQCfija3_0qLZxNGPkOpKAM-PTl8n5CO