水利工程竣工验收应当在工程建设项目全部完成并满足一定运行条件后（）内进行。 三个月。 半年。 1年。 2年。
Which tasks are run automatically as part of the Automated Maintenance Task by default? （）(Choose all that apply.) Segment Advisor。 SQL Access Advisor。 Optimizer statistics gathering。 Automatic SQL Tuning Advisor。 Automatic Database Diagnostics Monitor。
恰当组织小组讨论，提倡组内合作，组间竞争，能够产生”感染的行为”和”竞争的努力”。
举例说明工作满意度与绩效、员工流动之间的关系
You work as a database administrator for Supportcenter.cn. Your database is in the MOUNT state and you execute the following command to open it ALTER DATABASE OPEN； What two actions are performed as a result of this command？（） All control files are opened。 All redo files are opened。 The password file is opened。 The parameter file is opened。 All online data files are opened。
交易费用包括（）。
