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Oracle DBA Questions
The ORACLE db is running with session audit and the audit table is full. What happens to new sessions?

Nothing, They are not audited
New Connections are Not Allowed
Session allowed, with audit to alert.log
None of the above record


Which of the following statements is valid?
ALTER SESSION SET CONSTRAINTS=TRUE
ALTER SESSION SET CONSTRAINTS = DEFERRED
ALTER SESSION SET CONSTRAINTS = FORWARD
None of the above

Which of the following all valid functions to be used in ROWID migration?
ROWID_TO_EXTENDED
ROWID_TO_RESTRICTED


The process that records information about the changes made by all transactions that commit is
DBWR
SMON
CKPT
None of the above

What does the PARALLEL_MAX_SERVERS Parameter set?
The max server parallel processes that can be used in a statement
The max number of server parallel processes that can be used in a session
The max Number of parallel processes that an instance can have
None of the above

The order in which Oracle processes a single SQL statement is
execute, parse, fetch
execute, fetch, parse
parse, execute, fetch
parse, fetch, execute


What keyword is used to create a reverse key index?
REVERSE
ROUND
TRUNC
REVERSEREPEAT


Which of the following is not a valid Listener Control Utility commands (LSNRCTL)?
RELOAD
SET
RESET
CHANGE_PASSWORD
The constraints that are not enforced until the user attempts to commit the transaction are
IMMEDIATE CONSTRAINT

ROWID_VERIFY
All of the above


In a standby database, what happens to the control file between the primary and standby databases?
Control File is shared
Control File Does Not Exist on Standby
Control File is recreated at standby
Standby Control file is created at primary and moved to standby


Which following statement is true when tablespaces are put in backup mode for hot backups?
High Volume of REDO is generated
No updates to tables in that tablespace
All of the above
None of the above


Which of the following are valid statements?
ALTER INDEX IX_1 REBUILD REVERSE;
ALTER INDEX IX_2 REBUILD NOREVERSE;
ALL OF THE ABOVE
NONE OF THE ABOVE


Which of the following statements is incorrect when used with : Alter User James?
Add Quota 5m
indentified by james
Defaul tablespace system
None of the above

What is the best strategy to follow while tuning Oracle?
Application, Memory, Contention, Disk Input Output
Memory, Disk, Application, Contention
Application, Memory, Disk IO, Contention
None of the above1


Which of the following commands will set the listener trace level to ADMIN?
SET TRC_LEVEL ADMIN
SET TRACE ADMIN
ALTER TRACE ADMIN
None of the above

What is Partition Pruning?
The process by which Oracle truncates the excess space at the end of partitions
The process which removes the empty space within the table partition
The process by which oracle optimizer eliminates unnecessary partitions from access by the sql statements
None of the above

Which of the following statements is TRUE?
NULL Can be specified as a value in a partition bound value list
NULL Cannot be specified as a value in a partition bound value list
An Empty String can be specified in a partition bound value list
None of the above


The following type of indexes are not allowed in Oracle
GLOBAL NON PREFIXED
GLOBAL PREFIXED
LOCAL NON PREFIXED
LOCAL PREFIXED


Which of the following scripts will create DBMS_APPLICATION_INFO package?
utlxplan.sql
catalog.sql
catapp.sql
dbmsutil.sql


Oracle does not consider a transaction committed until
The Data is written back to the disk by DBWR
The LGWR successfully writes the changes to redo
PMON Process commits the process changes
SMON Process Writes the data

As a new dba, how can you test the Backup and Recovery strategy that is currently in place?
Wait until the production system crashed and then try recovering it
Gather all documentation and Verify that it is correct
Gather Documentation and Test the strategy on a test database and verify Offsite Storage Procedures
Trash the old system and design a new strategy

Which data dictionary object holds the information about database audit codes and their associated names?
AUDIT_INFO
DBA_AUDIT_INFO
AUDIT_ACTIONS
None of the above


In which stage of SQL statement processing, you will receive an error while trying to insert a duplicate value in a primary key?
Parse
Fetch
execute
define

Which of the following three portions of a data block are collectively called as Overhead?
table directory, row directory and row data
data block header, table diretory and free space
table directory, row directory and data block header
data block header, row data and row header


What is your tuning option in an internet based 24X7 database performed badly on a specific process?

Tune SQL
Tune Background Process
Increase Network Pipe
Tune IO


In what scenario you have to open a database with reset logs option?
Rename Database
Point in time recovery
Activate a standby database
All of the above


Which following command will clear database recyclebin?
delete dba_recyclebin;
clear dba_recyclebin;
purge dba_recyclebin;
truncate dba_recyclebin;


Why is Direct Path Export Faster?
This option By Passes the SQL Layer
All SGA is used for Export
All of the above
None of the above


When will the rollback/undo information applied in the event of a database crash?
before the crash occurs
after the recovery is complete
immediately after re-opening the database before the recovery
roll back infrmation is never applied if the database crashes

Which following sql file would you run to compile all invalid objects in a database?
utlxplan.sql
utlu101s.sql
utlrp.sql
utlcomp.sql

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Total Answers and Comments: 1 Last Update: March 04, 2009     Asked by: KUMAR 
  
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No best answer available. Please pick the good answer available or submit your answer.
March 04, 2009 12:07:05   #1  
taraldesai Member Since: January 2007   Contribution: 28    
RE: Oracle DBA Questions
What is this ? Please post individually
 
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