The user HR receives the following error while inserting data into the TTK table： ERROR at line 1： ORA-01653： unable to extend table HR.TTK by 128 in tablespace SMDUpon investigation， you find that SMD is a small file tablespace. Which three action would allow the user to insert data（） 正确。 错误。
在并汽操作过程中，应控制启动炉汽压比母管压力（），汽温比母管汽温低（）。 正确。 错误。
Which three functions are performed by the SQL Tuning Advisor?（） (Choose three.) 正确。 错误。
在小接地电流系统中，发生单相接地故障时，因（），所以一般允许短时间运行。 正确。 错误。
You are working as a Database Administrator. You erroneously dropped an important table named WAREHOUSE_DETAILS. The table resides in a non-SYSTEM tablespace. The following dependent objects have been defined on the dropped table： Due to limited space， some of the indexes and triggers have been removed from the Recycle Bin. You decide to recover the table by using Flashback Drop. You execute the following statement： SQL>FLASHBACK TABLE warehouse_details TO BEFORE DROP； What will be the implication of executing this statement？（） 正确。 错误。
经承包人的自行检查确认隐蔽工程或工程的隐蔽部位不具备覆盖条件的，在约定的时间内承包人应通知监理人进行检查。
