Which of the following advisors within the Oracle advisory framework will analyze a single SQL statement and make recommendations for performance improvement?（） SQL Repair Advisor。 SQL Optimizer。 SQL Access Advisor。 SQL Tuning Advisor。
投掷器械的远度主要决定于（）和（）以及器械的出手初速度，出手角度和出手高度。
交易费用
A system is experiencing packet routing problems，when the administrator runs ’netstat -nr’ the following default routes are displayed： default165.253.251.1UG51601304 en8-- default192.168.50.1UGH01590450 en4-- Assuming the first route is correct，how can the administrator remove the incorrect default route？（） route delete default 192.168.50.1。 access smit with the route_remove shortcut。 chdev -l inet0 -a delroute=net，-hopcount，0，，192.168.50.1。 flush the routing table from the console and configuring the 165.253.251.1 route。
View the Exhibit and examine the undo tablespace attributes. Your database instance is experiencing a largevolume of transactions from non-DBA users in the last one hour. The undo tablespace UNDOTBS1 is full withtransactions and no transaction was committed more than one hour ago. The database has two more undotablespaces. What happens to the new DML operations in this scenario（） The DML commands will fail.。 The undo data generated by the DML is stored in one of the two other undo tablespaces.。 The undo data generated by the DML will overwrite the extents that contain committed undo data.。 The undo data generated by the DML is stored in the SYSTEM undo segment of the SYSTEM tablespace。
Your database is up and running and one of your three control files is accidentally erased. You start RMAN and run the following command：
RESTORE CONTROLFILE FROM AUTOBACKUP；
Which of the following statements is true？（）
