Oracle Net Manager: configure a new or existing listener
Data Pump: transfer of data from one database to another
SQL*Loader: load data horn an Oracle database to an external file
Database Upgrade Assistant: upgrade only single-instance databases
Database configuration Assistant (DBCA): create new database user in an existing database
Users can access the data in the database.
Only the SGA has been allocated for the database.
Only the background and user processes are running.
Memory areas have been allocated and background processes have been started.
It causes the instance to abort.
It waits for all sessions to disconnect.
It rolls back the current transactions and disconnects a/I sessions.
It waits for the current transaction in each session to complete before disconnecting the sessions.
2, 3, 1
4, 1, 5
1, 5, 4, 2
4, 2, 3, 1, 5
3, 2, 4, 1,5
Database can be opened immediately after the restore operation.
Database can be opened only after the restore and recovery operations.
Consistent backups can be taken only when the instance is running and the database is closed.
Consistent backups can be taken only when the instance is shut clown and the database is closed.
Consistent backup are taken before the changes in the online redo log files haw been applied to the data files.
Refrains from collecting statistics
Use Real Application Testing to capture the workload and the worked and then run the
Use hints to create fixed plans for SQL statements
Use deferred publishing of statistics to allow you to test execution plans before making the statistics public
Use invisible indexes to dominate execution plans
Only from the server if the database instance is not up.
Either from the server or client even if the database instance is not up.
Either from a client or server only if the database instance is up and the command connects the session to the instance.
Either from a client or server only if the database instance is up but the command does not connect the session to the instance.
AUTOEXTEND can be enabled only for new data files.
Dictionary-managed tablespaces can be converted to locally managed tablespaces.
Space usage alert thresholds can be modified only if the tablespace contains no data.
Locally managed temporary tablespaces can be converted to permanent tablespaces.
Use edition-based redefinition to create a new version of the table.
Add the columns to the table, since dependent objects will not be affected.
Encompass all access to these columns in separate PL/SQL procedures to avoid dependency issues.
Add the columns to a different table and create a view to access the joined result.
Only data file
Data file and log file
Data file and dump file
Data file and control file
It would start the second listener without affecting the current sessions.
It would start the second listener and terminate all the current sessions.
It would give an error because multiple listeners cannot run simultaneously.
It would give an error because multiple listeners can run simultaneously only if there are multiple net service names.
It has commands to perform database administration operations.
It can be used in interactive hut not batch mode for SQL commands.
It has to be installed separately after the Oracle database install installation.
Operating system commands can be executed from the SOL*Plus command prompt.
They are required to support Flashback features.
They are not required if Flashback features are enabled.
They are retained until the session making the changes ends.
Undo records contain copies of data as It appears after a change is made.
Undo records contain copies of data as it appears before a change is made.
Creation of new indexes
Refreshing optimizer statistic
Refreshing optimizer statistic
Creation or modification of a SQL Profile
SQL Tuning Advisor considers the impact of the indexes only queries.
SQL Tuning Advisor considers the impact of the indexes on both queries and DML operations.
SQL Tuning Advisor considers the impact of the new indexes on both queries and DML operations.
SQL Tuning Advisor considers the impact of the indexes on only data manipulation language (DML) operations.
Requires the database to be open
Analyses the performance of specified objects
Implements all recommendations automatically
Recommends solutions and quantifies expected benefits
Retains snapshots in the SYSAUX tablespace until the database is restarted
Analyzes the snapshots stored in the Automatic Workload Repository (AWR)
One instance is associated with only one database.
Multiple database instances can run on one computer.
Only one database instance can run on one computer
One instance can be associated with multiple databases.
A database instance is created based on the information in the control file.
A database instance is created based on the information in the SPFILE file.
Write a PL/SQL routine that connects to the remote server and calls the script.
Create a script on the database server to perform the remote action and that script from database trigger.
Modify the script on the remote server to periodically chock for these data change in your Oracle database.
Install an Oracle Scheduler Agent on the remote server and create job to be called from Oracle scheduler in response to a database server event.
Program Global Area
Flash recovery area
It requires the SPFILE
It requires the control file.
It uses only online redo logs.
It uses both archivelog and online redo logs.
Control files must be multiplexed on different disks.
It is used to create the instance when the database is started.
The locations of control files are stored in the initialization parameter files.
It stores the current names and locations of the data files and redo log files.
PROD_NAME size can be reduced from 10 to 5 characters.
PROD_IP can be changed from CHAR to NUMBER data type.
Now columns can be added only if they have NOT NULL constraint.
PROD_RATE size can be changed from NUMBER (4) to NUMBER (6, 2).
None of the existing columns can be dropped because they contain data.
Each group must have a minimum of two members
Each group must have the same number of members.
The redo log groups in a database are written to in a cyclic fashion.
A minimum of two redo log groups is required for a database to open.
The members within a redo log group are written to in a cyclic fashion.