Questions
Match the following:
| Column – I | Column – II |
| A. Database administrator | 1. Interact with the database through applications or utilities |
| B. Security officers | 2. Planning for backup and recovery of database information |
| C. Database users | 3. Enroll user controls, monitor user access to the database and maintain system security |
- A - 1, B - 2, C - 3
- A - 1, B - 3, C - 2
- A - 2, B - 1, C - 3
- A - 2, B - 3, C - 1
- A - 3, B - 1, C - 2
Which of the following numerals identifies the database maintenance release in Oracle Database release labelled 11.2.0.1.0?
- 11
- 2
- 0
- 1
- 3
Which of the following operations are authorised by the SYSOPER system privilege?
- Perform startup and shutdown operations
- Create database
- Alter database
- Archive log and recovery
- Restricted session privileges
- 1, 2 and 3
- 1, 2, 3 and 4
- 1, 3, 4 and 5
- 2, 3 and 4
- 2, 4 and 5
Which of the following is NOT true regarding Program Global Area (PGA)?
- It is a non-shared memory.
- It is created when a server process is started.
- Each server process is allocated One PGA.
- Total memory used by all individual PGAs is called total instance PGA memory.
- Database initialization parameters are used to set the size of individual PGAs.
Which SGA memory structure cannot be resized dynamically after instance startup?
- Database buffer cache
- Log buffer
- Large pool
- Java pool
- Shared pool
When a user starts a new session in a database server, which process is involved first?
- The Oracle login process
- The Oracle server process
- SMON
- PMON
- The recoverer process
Which of the following will perform process recovery when user process fails?
- PMON
- SMON
- Database writer
- Log writer
- Checkpoint
How many database writer processes are allowed in Oracle?
- 5
- 10
- 20
- 3
- 2
Which of the following Oracle Dynamic Performance Views gives the names and status of control files for an Oracle instance?
- V$CONTROLFILE_RECORD_SECTION
- V$CONTROLFILE
- V$PARAMETER
- V$DATABASE
- SHOW PARAMETER CONTROL_FILES
Which task can a DBA perform using the export/import facility?
- Examine log files
- CREATE CONTROLFILE
- Transport tablespaces between databases
- Make a logical backup of the rollback segment tablespace
- Determine if platforms are supported and determine endianness
Why should a datafile be set to offline when the database is in MOUNT state?
- To minimise downtime
- To prevent further corruption of a damaged datafile
- To allow automatic recovery of the datafile
- To recover it later, when database is in NOARCHIVELOG mode
- To maximise uptime
Match the following
| Column I | Column II |
|---|---|
| A. ORA-00060 | 1. Internal errors |
| B. ORA-01578 | 2. Block corruption errors |
| C. ORA-00600 | 3. Deadlock errors |
- A - 1, B - 3, C - 2
- A - 2, B - 1, C - 3
- A - 3, B - 2, C - 1
- A - 1, B - 2, C - 3
- A - 2, B - 3, C - 1
A set of dictionary tables is created
- every time a tablespace is created
- once for an entire database
- every time a user is created
- when time data is created
- Both (1) and (2)
System datafiles consist of
- undo data
- temporary data
- business data
- metadata
- permanent data
The SQL statement which is used to delete a particular column in an existing table is
- SQL Alter
- SQL Modify
- SQL Drop
- SQL Delete
- SQL Update
