You want to verify if the user's session has waited for certain types of I/O activity

Which view displays all waits waited on by a session at least once?

1、CDBl is a container database running in ARCHIVELOG mode.

2、Multiple uncommitted transactions are running in CDB1

3、Redo log groups 1 and 2 are INACTIVE

4、Redo log group 3 is the CURRENT group

All members of redo log group 3 are lost before it is archived

Examine these possible steps

1.SHUTDOWN ABORT

2.STARTUP NOMOUNT

3.STARUP MOUNT

4.ALTER DATABASE MOUNT

5.RESTORE DATABASE

6.RECOVER DATABASE NOREDO

7.RECOVER  DATABASE UNTIL  AVAILABLE

8.RESTORE  ARCHIVELOG  ALL

9.ALTER DATABASE OPEN

10.ALTER  DATABASE  OPEN  RESETLOGS

Choose the minimum required steps in the correct order to recover the database

Which Oracle Flashback feature could be used to recover the data?

Examine thislist of steps:

1.Make the UNIVERSIRY  tablespace read-only on the  sources  ystem

2.Export the UNIVERSIRY tablespace metadata using EXPDP

3.Create a cross-platform backup set from the UNIVERSITY tablespace on the source

system,usingan

RMAN  command  that  includes  the   DAMAPUMP   clause

4.Copy  the  cross-platform  backup  sets  to the  destination   system

5.Copy theData Pumpdumpsetfrom the source to the destination system

6.Restore the cross-platform backup set on the destination system using an RMANcommand that includes the pamapump clause

7.Import the UNIVERSIRY tablespace metadata using IMPDP

8.Make the UNIVERSIRY tablespace read/write on the destination system transport  the  UNIVERSIRY   tablespace?

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2.COMHON_USER_PREFIx Is set to an empty string.

3.PDBI is a pluogable database in CDB1.

4.APP1_ROOT Is an application container in CDB1.

5.APP1_PDB1 is an application PDBIn APP1_ROOT.

You execute these commands:

S sqlplus sys/oracleelocalhost:1521/cdb1 as sysdba

SQL> CREATE ROLE role1 CONTAINER=CURRENT;

Which is true?

Differential level 1 incremental backups are taken daily between the level 0 backup Today is the 26th of August

Which backups will be obsolete?

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What is  the  out come?

1.cdbl is a container database

2.There are several pluggable databases(PDBS)in CDB1

5.Each PDB has several tables with referential integrity constraints

6.FLASHBACK DAABASE is ON

7.UNDO RETENTION GUARANTEE is enabled

Multiple undesired multitable changes were made in all the PDBS

Which method can be used to undo the changes using a single command

In which order will the upgrade occur?

No changes have been made to the standard PDBSSEED

How many default temporary tablespaces can be assigned in the CDB?