when you want to restore a table that has been dropped from the Recycle Bin
when you want to identify the transaction ID of the transaction that deleted some important records from a table
when you want to recover the schema of a dropped user
when you want to restore a dropped tablespace
第1题:
At the end of the financial year, an accounts accumulation batch is run. This batch updates the company’s accounting records. During the batch run process, some incorrect entries were inserted into the ACCOUNT table. You identified the bug and immediately stopped the batch run process, but 3000 incorrect records were inserted into the ACCOUNT table before the batch process was stopped. You want to recover the table to the state it was at 11:50 P.M. Which flashback feature will you use?()
第2题:
In which scenario do you use the Flashback Database feature?()
第3题:
In which scenario will you perform a user-managed incomplete recovery?()
第4题:
On Tuesday, a junior DBA dropped an important application user account, whose schema has important tables. You are asked to recover all the objects in the schema. On investigation, you find that the user account was dropped at 11:00 a.m. and Sunday’s backup is the most recent backup. Which flashback feature would you use?()
第5题:
In which scenario will you perform an incomplete recovery?()
第6题:
You are working on an Oracle Database 10g database that operates in the ARCHIVELOG mode. At 06:00 p.m., you discovered that a table in the SYSTEM tablespace that does not belong to the data dictionary was dropped at 03:00 p.m. What would you do to recover the table?()
第7题:
when a table is dropped and you restore it from the Recycle Bin
when a user’s schema is dropped and you recover the user’s schema
when some incorrect data is inserted in the table and you retrieve the table to a state that was at a certain timestamp
when a row of a table is updated frequently and committed, and you view all the versions of the row within a specific duration
第8题:
use the Flashback Transaction Query feature to identify the relevant SQL statement and use it to undrop the table
restore the entire database from the most recent backup and open it
recover the table by using the Flashback Table feature
perform point-in-time recovery to recover the table
第9题:
You must use automatic undo management in the database.
You must configure OMF in your database.
You must configure ASM for storing the datafiles.
You must multiplex the online redo log file.
第10题:
when a table is dropped and stored in the Recycle Bin
when a table is dropped and purged from the Recycle Bin
when you are required to recover an existing table to its previous state
when you are required to view all the versions of a row of an existing table between a specific time period
第11题:
Flashback Drop
Flashback Database
Flashback Table
Flashback Version Query
第12题:
RMAN only.
Flashback Table only.
Flashback Version Query only.
Flashback Database and Flashback Transaction Query.
Flashback Version Query and Flashback Transaction Query.
第13题:
By mistake, you ran the batch job (for updating the BILL_DETAILS table) twice. You are not sure which rows in the BILL_DETAILS table were affected. You need to identify: a) a list of changes made along with the transaction identifier of each change b) the necessary SQL statements to undo the erroneous changes Which option would you choose?()
第14题:
In which scenario will you use the Flashback Transaction Query feature?()
第15题:
You are working on an Oracle Database 10g database. For which purposes would you use the Flashback Transaction Query feature? ()
第16题:
In which scenario will you use the Flashback Version Query feature?()
第17题:
By mistake, you ran the batch job (for updating the BILL_DETAILS table) twice. You are not sure which rows in the BILL_DETAILS table were affected. You need to identify: a) A list of changes made along with the transaction identifier of each change. b) The necessary SQL statements to undo the erroneous changes. Which option would you choose?()
第18题:
when you want to restore an important table that is dropped from the Recycle Bin
when you want to obtain the SQL statements to undo the deletion of some important records from a table by a transaction
when you want to restore a dropped user’s schema
when a row of a table is updated many times within a specific time period and you want all the versions of the row in the specified time period
第19题:
Flashback Drop
Flashback Table
Flashback Database
Flashback Version Query
Flashback Transaction Query
第20题:
Only the Flashback Table
Both the Flashback Transaction Query and the Flashback Version Query
Only the Flashback Drop
Only the Flashback Version
第21题:
Flashback Drop
Flashback Table
Flashback Database
Flashback Version Query
Flashback Transaction Query
第22题:
You cannot restore the DEPT table by using the Oracle Flashback Drop feature because a table with the name DEPT already exists in your schema.
You can restore the DEPT table by using the Oracle Flashback Drop feature, provided you use the RENAME TO clause.
You cannot restore the DEPT table by using the Oracle Flashback Drop feature because the contents of the recycle bin are purged every 12 hours by default.
You can restore the DEPT table by using the Oracle Flashback Drop feature and a system-generated name will be assigned to the restored table.
第23题:
when a table is dropped and stored in the Recycle Bin
when all the control files are deleted
when a member of a multiplexed redo log group is dropped
when you are required to recover a table to its previous state