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Oracle 1Z0-042 Exam Syllabus Topics:

Oracle database 10g:Administration I Sample Questions:

1. Which two statements about Flashback Query are true? (Choose two.)

A) It can be performed to recover ALTER TABLE statements
B) It fails when undo data pertaining to the transaction is overwritten.
C) It is generated by using the redo log files.
D) The database has to be opened with the resetlogs option after performing Flashback Query.
E) It helps in row-level recovery from user errors.

2. Examine the following commands executed in your database:
SQL> ALTER SESSION RECYCLEBIN=ON;
Session altered
SQL> CREATE TABLE emp TABLESPACE tbsfd AS SELECT * FROM hr.employees;
Table created.
Further, you executed the following command to drop the table:
SQL> DROP TABLE emp; Table dropped.
What happens in this scenario?

A) The table is moved to the SYSAUX tablespace.
B) The table is moved to the SYSTEM tablespace.
C) The table is removed from the database permanently.
D) The table is renamed and remains in the TBSFD tablespace.

3. Which two statements are true about simple views? (Choose two.)

A) Data manipulation language (DML) operations cannot be performed on views.
B) Views are data segments like tables.
C) Views can be created as read only.
D) Views can be created on the basis of more than one table.

4. Your database is started by using the server parameter file (SPFILE). You issued this command to change the value of the LOG_BUFFER initialization parameter:
ALTER SYSTEM SET LOG_BUFFER=24M SCOPE=BOTH;
What would be the outcome of this command?

A) The command would return an error because LOG_BUFFER is a static parameter.
B) The command would succeed only if initialization parameter LOG_ARCHIVE_MAX_PROCESS is set to value 2.
C) The parameter value would be changed and it would come into effect immediately.
D) You need to restart the database so that parameter changes can come into effect.

5. Your database is open, and you plan to perform Recovery Manager (RMAN) backups. Which three statements are true about these backups? (Choose three.)

A) The backups would be possible only if the database is running in NOARCHIVELOG mode.
B) The backups would be possible only if the database is running in ARCHIVELOG mode.
C) The backups need not be restored during recovery in case of a media failure.
D) The backups need to be restored and database has to be recovered in case of a media failure.
E) The backups would be inconsistent.
F) The backups would be consistent.

Solutions: