岩石中细微裂隙的发生和发展结果引起岩石的（） ["脆性破坏","塑性破坏","弱面剪切破坏"]
Very soon you will be performing maintenance operations. You would have several jobs to run as soon as the maintenance period starts. Which method would you use to create jobs without specifying the time period when the job should be run？（） [" use DBMS_IJOB package"," use Oracle Scheduler"," use DBMS_JOB package"," use Oracle Data Pump Export and Import"]
产业规制理论的最大缺陷是（） ["市场失灵一定要通过政府来解决","天然的假定了政府制定和执行政策的过程是没有成本的","市场失灵时会自动产生规制","政府的规制是必要的"]
自喷井正常生产时，各种压力之间的关系（） ["p地＞p流＞p油＞p套＞p回","p回
C、p回<\/p油<\/p油"]
You want to flash back a test database by five hours.You issue this command:SQL > FLASHBACK DATABASE TO TIMESTAMP (SYSDATE - 5/24);Which two statements are true about this flashback scenario?（） [" The database must have multiplexed redo logs for the flashback to succeed."," The database must be MOUNTED for the flashback to succeed."," The database must use block change tracking for the flashback to succeed."," The database must be opened in restricted mode for the flashback to succeed."," The database must be opened with the RESETLOGS option after the flashback is complete."," The database must be opened in read-only mode to check if the database has been flashed back to the correct SCN."]
垂直绿化类特点
