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Oracle database 10g:Administration I Sample Questions:

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

2. View the Exhibit and examine the output.
Which statement describes the conclusion?

A) The shared pool size should be increased to accommodate the SQL statements.
B) The dictionary cache is consuming more space than the library cache.
C) Preparing indexes on the tables used in the SQL statements would improve the library cache performance.
D) The users should use bind variables instead of literals in the query.

3. User Scott has updated the salary of one of the employees in the EMPLOYEES table and has not committed the transaction. What are the two types of locks that this scenario would lead to? (Choose two.)

A) exclusive table-level lock for the table containing the row
B) a shareable table lock for the table containing the row
C) ROW EXCLUSIVE lock for the row being updated
D) shared row-exclusive lock for the row being updated
E) null lock on the table containing the row
F) null lock on the row being updated
G) ROW SHARE lock for the row being updated

4. Which three descriptions are correct about the effects of the TRUNCATE command on a table? (Choose three.)

A) Very little or no undo data is generated during the execution of the TRUNCATE command.
B) The child table is truncated when the TRUNCATE command is applied on the parent table.
C) The corresponding indexes for the table are also truncated.
D) Delete triggers on the table are fired during the execution of the TRUNCATE command.
E) The high-water mark (HWM) is set to point to the first useable data block in the table segment.

5. Data files of which three tablespaces can be recovered by performing an open recovery? (Choose three.)

A) TEMP
B) UNDO
C) SYSAUX
D) INDEX
E) SYSTEM

Solutions: