Updated Nov-2025 Test Engine to Practice 1Z0-082 Test Questions
1Z0-082 Real Exam Questions Test Engine Dumps Training With 145 Questions
NEW QUESTION # 49
Examine the description of the CUSTOMERS table:
For customers whose income level has a value, you want to display the first name and due amount as 5% of their credit limit. Customers whose due amount is null should not be displayed.
Which query should be used?
- A. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNT
FROM customers
WHERE cust_income_level <> NULL
AND due_amount <> NULL; - B. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNT
FROM customers
WHERE cust_income_level IS NOT NULL
AND due_amount IS NOT NULL; - C. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNT
FROM customers
WHERE cust_income_level != NULL
AND cust_credit_level !=NULL; - D. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNT
FROM customers
WHERE cust_income_level != NULL
AND due_amount != NULL; - E. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNT
FROM customers
WHERE cust_income_level IS NOT NULL
AND cust_credit_limit IS NOT NULL;
Answer: E
NEW QUESTION # 50
Which two statements are true about substitution variables?
- A. A substitution variable prefixed with & always prompts only once for a value in a session.
- B. A substitution variable can be used only in a select statement.
- C. A substitution variable used to prompt for a column name must be enclosed in single quotation marks.
- D. A substitution variable prefixed with to prompts only once for a value in a session unless it is set to undefined in the session
- E. A substitution variable can be used with any clause in a select statement.
- F. A substitution variable used to prompt for a column name must be enclosed in double quotation marks.
Answer: D
NEW QUESTION # 51
Which two statements are true about single row functions? (Choose two.)
- A. TRUNC : can be used to combine any number of values
- B. FLOOR : returns the smallest integer greater than or equal to a specified number
- C. CEIL : can be used for positive and negative numbers
- D. CONCAT : can be used to combine any number of values
- E. MOD : returns the quotient of a division operation
Answer: A,E
NEW QUESTION # 52
Which statement is true about aggregate functions?
- A. The MAX and MIN functions can be used on columns with character data types
- B. Aggregate functions can be nested to any number of levels
- C. Aggregate functions can be used in any clause of a SELECT statement
- D. The AVG function implicitly converts NULLS to zero
Answer: B
NEW QUESTION # 53
Which three failures require intervention for recovery? (Choose three.)
- A. user process failure
- B. statement failure
- C. network interface card (NIC) failure
- D. a user error such as dropping the wrong table
- E. media failure
Answer: A,D,E
NEW QUESTION # 54
In the ORCL database, UNDOTBS1 is the active undo tablespace with these properties:
1. A size of 100 MB
2. AUTOEXTEND is off
3. UNDO_RETENTION is set to 15 minutes
4. It has RETENTION GUARANTEE
UNDOTBS1 fills with uncommitted undo 10 minutes after the database opens.
What will happen when the next update is attempted by any transaction?
- A. It succeeds and the least recently written undo block of UNDOTBS1 is overwritten by the generated undo.
- B. It succeeds and the least recently read undo block of UNDOTBS1 is overwritten by the generated undo.
- C. It succeeds and the generated undo is stored in SYSAUX.
- D. It succeeds and the generated undo is stored in SYSTEM.
- E. It fails and returns the error message "ORA-30036: unable to extend segment by 8 in undo tablespace
'UNDOTBS1' ".
Answer: A
Explanation:
Explanation
NEW QUESTION # 55
Examine this SQL statement:
SELECT cust_id, cust_last_name "Last Name"
FROM customers
WHERE country_id = 10
UNION
SELECT cust_id CUST_NO, cust_last_name
FROM customers
WHERE country_id = 30
Identify three ORDER BY clauses, any one of which can complete the query successfully.
(Choose three.)
- A. ORDER BY "CUST_NO"
- B. ORDER BY "Last Name"
- C. ORDER BY 2, 1
- D. ORDER BY CUST_NO
- E. ORDER BY 2, cust_id
Answer: B,C,E
NEW QUESTION # 56
Examine this command and some partial output:
Why does the DB01.abc.comservice show unknown status?
- A. The service DB01.abc.com is dynamically registered
- B. The listener is not listening on the default port 1521
- C. The LOCAL_LISTENER database parameter is not set to a service name that refers to LISTENER_1
- D. The SID_LIST_LISTENER section is not contained in the LISTENER.ORA file
- E. The service DB01.abc.com is statically registered
Answer: C
NEW QUESTION # 57
Which two are true about shrinking a segment online? (Choose two.)
- A. It is not possible to shrink either indexes or Index Organized Tables (IOTs)
- B. To shrink a table it must have row movement enabled
- C. To shrink a table it must have a UNIQUE KEY constraint
- D. It must be in a tablespace that uses Automatic Segment Space Management (ASSM)
- E. It always eliminates all migrated rows if any exist in the table
- F. To shrink a table it must have a PRIMARY KEY constraint
Answer: B,D
Explanation:
Reference:
https://docs.oracle.com/cd/B19306_01/server.102/b14200/statements_3001.htm
NEW QUESTION # 58
Which three statements are true about the naming methods and their features supported by Oracle database used to resolve connection information?
- A. Directory Naming requires setting the TNS_ADMIN environment variable on the client side.
- B. A client can connect to an Oracle database instance even If no client side network admin has been configured.
- C. Local naming can be used if Connect-Time Failover Is required.
- D. Easy Connect supports TCP/IP and SSL.
- E. Directory Naming can be used if Connect-Time Failover is required.
- F. Local Naming requires setting the TNS_ADMIN environment variable on the client side.
Answer: A,B,C
NEW QUESTION # 59
Which two are true about shrinking a segment online? (Choose two.)
- A. It is not possible to shrink either indexes or Index Organized Tables (IOTs)
- B. It must be in a tablespace that uses Automatic Segment Space Management (ASSM)
- C. To shrink a table it must have row movement enabled
- D. To shrink a table it must have a PRIMARY KEY constraint
- E. To shrink a table it must have a UNIQUE KEY constraint
- F. It always eliminates all migrated rows if any exist in the table
Answer: C,D
NEW QUESTION # 60
Which three statements are true about views in an Oracle database? (Choose three.)
- A. The WITH CHECK clause prevents certain rows from being updated or inserted
- B. The WITH CHECK clause prevents certain rows from being displayed when querying the view
- C. Inserting one or more rows using a view whose defining query contains a GROUP BY clause will cause an error
- D. Data Manipulation Language (DML) can always be used on views
- E. Views can be updated without the need to re-grant privileges on the view
- F. Deleting one or more rows using a view whose defining query contains a GROUP BY clause will cause an error
- G. Tables in the defining query of a view must always exist in order to create the view
Answer: C,E,F
NEW QUESTION # 61
Examine this command:
Which two statements are true?
- A. Compressed objects in SALES01.DBF will be uncompressed In SALES02.DBF after the move.
- B. DML may be performed on tables with one or more extents in this data file during the execution of this command.
- C. The "to" clause containing the new file name must be specified even if Oracle Managed Files (OMF) is used.
- D. Tables with one or more extents in this data file may be queried during the execution of this command.
- E. It overwrites any existing file with the name SALES02.DBF.dbf in /u02 by default.
Answer: B,D
NEW QUESTION # 62
The INVOICE table has a QTY_SOLD column of data type NUMBER and an INVOICE_DATE column of data type DATE.
NLS_DATE_FORMAT is set to DD-MON-RR.
Which two are true about data type conversions involving these columns in query expressions? (Choose two.)
- A. qty_sold = '0554982' uses implicit conversion
- B. CONCAT (qty_sold, invoice_date) : requires explicit conversion
- C. invoice_date = '15-march-2019' : uses implicit conversion
- D. qty_sold BETWEEN '101' AND '110' : uses implicit conversion
- E. invoie_date > '01-02-2019' : uses implicit conversion
Answer: C,D
NEW QUESTION # 63
Which three functions are performed by dispatchers in a shared server configuration? (Choose three.)
- A. sending shared server session responses back to requesters on the appropriate connection
- B. checking for outbound shared server responses on the common outbound response queue
- C. broadcasting shared server session responses back to requesters on all connections
- D. writing inbound request to the common request queue from all shared server connections
- E. sending each connection input request to the appropriate shared server input queue
- F. receiving inbound requests from processes using shared server connections
Answer: A,D,F
Explanation:
https://docs.oracle.com/cd/B28359_01/server.111/b28310/manproc001.htm#ADMIN11168
NEW QUESTION # 64
In one of your databases, you create a user, HR, and then execute this command:
GRANT CREATE SESSION TO hr WITH ADMIN OPTION;
Which three actions can HR perform? (Choose three.)
- A. Revoke the CREATE SESSION privilege from user HR
- B. Execute DML statements in the HR schema
- C. Execute DDL statements in the HR schema
- D. Revoke the CREATE SESSION privilege from other users
- E. Grant the CREATE SESSION privilege with ADMIN OPTION to other users
- F. Log in to the database instance
Answer: D,E,F
NEW QUESTION # 65
Which three statements are true about single-row functions? (Choose three.)
- A. The argument can be a column name, variable, literal or an expression
- B. They can be nested to any level
- C. They can be used only in the WHERE clause of a SELECT statement
- D. They return a single result row per table
- E. The data type returned can be different from the data type of the argument
- F. They can accept only one argument
Answer: A,B,E
NEW QUESTION # 66
You execute this command:
During the export operation, you detach from the job by using CTRL+C and then execute this command:
Export> STOP_JOB=immediate
Are you sure you wish to stop the job ([yes]/no): yes
Which two statements are true about the job? (Choose two.)
- A. It is paused and can be resumed
- B. It continues to run in the background
- C. It terminates
- D. You can reattach to it and monitor it
- E. You can no longer monitor it
Answer: A,D
NEW QUESTION # 67
Which two statements are true about User Authentication in an Oracle Database?
- A. Operating System authentication may be used for system-privileged administrative users.
- B. Password authentication must be used for system-privileged administrative users.
- C. Password File authentication is supported for any type of database user.
- D. Password File authentication must be used for system-privileged administrative users.
- E. REKOTE_LOGIN_PASSMOREFiLE must be set to exclusive to permit password changes for system-privileged administrative users.
Answer: A,B
NEW QUESTION # 68
Which statement is true about aggregate functions?
- A. Aggregate functions can be used in any clause of a SELECT statement
- B. Aggregate functions can be nested to any number of levels
- C. The MAX and MIN functions can be used on columns with character data types
- D. The AVG function implicitly converts NULLS to zero
Answer: C
NEW QUESTION # 69
Your database instance is started with an SPFILE.
A PFILE is also available. You execute this command:
ALTER SYSTEM SET DB_CACHE_SIZE=100K;
Where Is the value changed?
- A. only In the SPFILE
- B. only in memory
- C. in the SPFILE and in memory
- D. in the SPFILE and SPFILEc
- E. in the SPFILE, SPFILE, and memory
Answer: D
NEW QUESTION # 70
Which two statements are true about Enterprise Manager Database Express? (Choose two.)
- A. It can be used to switch a database into ARCHIVELOGMODE
- B. It is available only when the database is open
- C. It can be used to perform database recovery
- D. The same port number can be used for multiple Database Express configurations for multiple databases on the same host
- E. The same port number can be used for Database Express configurations for databases on different hosts
Answer: B,E
Explanation:
Reference:
https://docs.oracle.com/en/database/oracle/oracle-database/19/admqs/getting-started-with-database-administration.html#GUID-EB851101-07BE-4038-BB9D-06E01CC7F5D5
NEW QUESTION # 71
Which two statements are true about Enterprise Manager Database Express? (Choose two.)
- A. It is available only when the database is open
- B. It can be used to perform database recovery
- C. It can be used to switch a database into ARCHIVELOGMODE
- D. The same port number can be used for Database Express configurations for databases on different hosts
- E. The same port number can be used for multiple Database Express configurations for multiple databases on the same host
Answer: C,E
NEW QUESTION # 72
Which three statements are true regarding single row subqueries?
- A. A SQL statement may have multiple single row subquery blocks.
- B. They can be used in the where clause.
- C. They must be placed on the right side of the comparison operator or condition.
- D. They must be placed on the left side of the comparison operator or condition.
- E. They must return a row to prevent errors in the SQL statement.
- F. They can be used in the having clause.
Answer: A,B,F
NEW QUESTION # 73
Which two statements are true about trace files produced by the Oracle Database server? (Choose two.)
- A. Trace file names are based on the database name concatenated with a sequential number
- B. Trace files are written to the Fast Recovery Area (FRA)
- C. All trace files contain error information that require contacting Oracle Support
- D. They can be written by background processes
- E. They can be written by server processes
Answer: D,E
Explanation:
Explanation/Reference: https://gerardnico.com/db/oracle/trace_file
NEW QUESTION # 74
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