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Oracle database 10g:Administration I Sample Questions:

1. View the Exhibit.
Which statement regarding the dept and emp tables is true?

A) When you delete a row from the dept table, automatically the corresponding rows are updated with null values in the emp table.
B) When you delete a row from the dept table, you would receive a constraint violation error.
C) When you delete a row from the emp table, automatically the corresponding rows are updated with null values in the dept table.
D) When you delete a row from the emp table, automatically the corresponding rows are deleted from the dept table.
E) When you delete a row from the dept table, automatically the corresponding rows are deleted from the emp table.
F) When you delete a row from the emp table, you would receive a constraint violation error.

2. Your database is configured in NOARCHIVELOG mode. All the control files have been lost due to a hard disk failure but the data files are not lost. You have the closed whole database backup available to you. Which two statements are true in this scenario? (Choose two.)

A) The database cannot be recovered.
B) The instance aborts.
C) The database can be recovered by restoring the control files from the backup.
D) The database can be restored till the point of the last closed whole database backup.
E) The database remains opened and you have to shut it down with the ABORT option.

3. Your database is started with SPFILE. You want the database instance to be dynamically registered with a listener L2 with the following details:
Protocol: TCP Host: indl151e Port: 1525
Which is the correct order of the steps that you would follow to achieve this?
1.Set the LOCAL_LISTENER parameter to L2 dynamically.
2.Make an entry for L2 in tnsnames.ora on the database server.
3.Restart L2.
4.Modify the listener.ora file to add the instance name in SID_LIST of L2.

A) 1, 2, 3; 4 is not required.
B) 1, 2, 4, 3
C) 1, 2; 3 and 4 are not required.
D) 2, 1; 3 and 4 are not required.

4. Your database is in NOARCHIVELOG mode and a logswitch happens every 20 minutes. On Thursday morning, media failure resulted in corruption of a data file belonging to the TOOLS tablespace. Backups are taken on every Sunday. What would you do in this situation?

A) restore the data files from backup and perform cancel-based recovery
B) restore only the corrupted data file and perform tablespace recovery
C) restore the data files from backup and perform a complete recovery
D) restore the entire database from the most recent backup and start the instance and open the database
E) recover using Oracle Flashback Database technology

5. You are working on a database created with the Oracle Database 10g software in which the initialization parameter COMPATIBLE is set to 10.0.0. The hr_tbs tablespace in the database is created as follows:
CREATE TABLESPACE hr_tbs DATAFILE '/oracle/oradata/hr_tbs.dbf' SIZE 50M;
View the Exhibit to see the properties of the database.
Which statement is correct in this scenario?

A) The tablespace type bigfile or smallfile must be mentioned in the command.
B) hr_tbs is a bigfile tablespace.
C) hr_tbs is a dictionary-managed tablespace.
D) All the tablespaces in the database must be of the smallfile tablespace type.
E) All the tablespaces in the database will be locally managed by default.

Solutions: