Review 178 1Z0-082 practice questions with answer explanations and community insights.
Question 1
You execute this command: Sufficient storage is available in filesystem /u01. Which two statements are true about the BIG_TBS tablespace? (Choose two.)
AUTOEXTEND is possible for the datafile
It must be bigger than the largest SMALLFILE tablespace
Additional data files may not be added
It will be a dictionary-managed tablespace by default
It will always have a 32K blocksize
Question 2
Which statement is true about the INTERSECT operator used in compound queries?
Multiple INTERSECT operators are not possible in the same SQL statement
It processes NULLs in the selected columns
INTERSECT is of lower precedence than UNION or UNION ALL
It ignores NULLs
Question 3
Which three statements are true about advanced connection options supported by Oracle Net for connection to Oracle Database instances? (Choose three.)
Connect Time Failover requires the use of Transparent Application Failover (TAF)
Source Routing requires the use of a name server
Source Routing enables the use of Connection Manager (CMAN) which enables network traffic to be routed through a firewall
Load Balancing can balance the number of connections to dispatchers when using a Shared Server configuration
Load Balancing requires the use of a name server
Connect Time Failover requires the connect string to have two or more listener addresses configured
Question 4
Which two statements are true about date/time functions in a session where NLS_DATE_FORMAT is set to DD-MON-YYYY HH24:MI:SS? (Choose two.)
CURRENT_TIMESTAMP returns the same date and time as SYSDATE with additional details of fractional seconds
SYSDATE can be queried only from the DUAL table
CURRENT_DATE returns the current date and time as per the session time zone
SYSDATE can be used in expressions only if the default date format is DD-MON-RR
SYSDATE and CURRENT_DATE return the current date and time set for the operating system of the database server
CURRENT_TIMESTAMP returns the same date as CURRENT_DATE
Question 5
A database is configured to use automatic undo management with temporary undo enabled. An UPDATE is executed on a temporary table. Where is the UNDO stored?