文件名称：备份与恢复命令 BACKUP DATA [ [ , ] EXPIREDA
文件大小：81KB
文件格式：DOC
更新时间：2014-06-09 03:14:47
备份
数据库备份BACKUP DATABASE { database_name | @database_name_var } TO < backup_device > [ ,...n ] [ WITH [ BLOCKSIZE = { blocksize | @blocksize_variable } ] [ [ , ] DESCRIPTION = { 'text' | @text_variable } ] [ [ , ] DIFFERENTIAL ] [ [ , ] EXPIREDATE = { date | @date_var } | RETAINDAYS = { days | @days_var } ] [ [ , ] PASSWORD = { password | @password_variable } ]