In your production database, users report that they are unable to generate reports on an important table because it does not contain any data. While investigating the reason, you realize that another user executed the TRUNCATE TABLE command, which accidentally caused the data to be lost. Now you want to recover the lost data of the table without affecting objects in other schemas.Which method must you use to recover the lost data?（）

Which two statements are true about a job chain?（）

Which two commands never trigger an implicit rebalancing within the disk group?（）

Examine the parameter setting in your database:Which statement is correct about the database?（）

Indentify two advantages of using recovery catalog instead of the control file of the database in Recovery Manager (RMAN)？（）

The user SYS creates a job by using the following command:Which two statements are true about the job that was created by the preceding command?（）

You want to configure the Flashback Database feature and retain flashback logs for three days. Presently the database is open and configured in ARCHIVELOG mode.The following steps must be performed in the correct sequence to do this:Choose the correct sequence.（） 

Examine the following ALTER command:SQL> ALTER DISKGROUP dgroup1 UNDROP DISKS;What is the purpose of the command?（）

You want to enable automatic PGA memory management in your database. Which setting is required to achieve this?（）

You are using Recovery Manager (RMAN) with a recovery catalog to back up your production database. The backups and the archived redo log files are copied to a tape drive on a daily basis. Because of media failure, you lost your production database completely along with the recovery catalog database. You want to recover the target database and make it functional. You consider performing the following steps to accomplish the task:Which option illustrates the correct sequence that you must use?（）