IF NOT EXISTS (SELECT syscolumns.name FROM syscolumns RIGHT OUTER JOIN sysobjects ON syscolumns.id = sysobjects.id WHERE (sysobjects.name='mis_workflow_forms_list') AND (syscolumns.name='update_dateformate_flag')) alter table mis_workflow_forms_list ADD update_dateformate_flag tinyint DEFAULT 0;
在SQL Server Management Studio(SQL Server管理器)中,點擊新建查詢,找到數據庫:clicksun,然后執行以上語句即可: