在验收工作中进一步落实水利工程建设项目法人责任制，强调（）以及其他参建单位应当提交真实、完整的验收资料，并对提交的资料负责。 监理人。 投标人。 项目法人。 以上都不对。
You need to perform a block media recovery on the tools01.dbf data file in the SALES database by using Recovery Manager (RMAN). Which two are the prerequisites to perform this operation? （）(Choose two) You must configure block change tracking file。 You must have first level 1 backups for RMAN to restore blocks。 You must ensure that the SALES database is mounted or open。 You must have full or level 0 backups for RMAN to restore blocks。 You must take the tools01.dbf data file offline before you start a block media recovery。
You are maintaining your database in Oracle10g. You are performing an incomplete recovery because the tablespace， DATA1， was dropped and purged from the Recycle Bin. After performing an incomplete recovery， you open the database with the RESETLOGS option. What will NOT be the impact of using the RESETLOGS option？（） The log sequence for the database will restart from 1.。 The log sequence number will be written to the control file.。 The log sequence number will be written to the datafile headers.。 The log sequence number will be written to the initialization parameter file.。
节流板用于测定：（） 液位。 流量。 压力。
You are performing an incomplete recovery because some important tables have been dropped and purged from the Recycle Bin. Which clause can you NOT use to perform the incomplete recovery by using the RMAN utility？（） UNTIL CANCEL。 UNTIL SCN。 UNTIL SEQUENCE。 UNTIL TIME。
当两电源参数完全相同，且之间线路各点参数完全相同，则振荡中心一定在（）。
