Latest Oracle 1Z0-082 PDF and Dumps (2026) Free Exam Questions Answers
Pass Your Oracle Database 19c 1Z0-082 Exam on Jan 28, 2026 with 145 Questions
Oracle Corporation is a leading provider of database software and technology. The company has been providing database solutions for over four decades and is widely regarded as a leader in the field of database management. The Oracle 1Z0-082 exam is a testament to the company's commitment to providing the highest quality database administration solutions to its customers.
NEW QUESTION # 52
Which two statements are true about Database Instances and Real Application Clusters (RAC)?
- A. A RAC database can have one Instance.
- B. A RAC database must have three or more Instances.
- C. A RAC database must have two or more instances.
- D. Two RAC databases can share their instances.
- E. A RAC database can have instances on separate servers.
Answer: A,E
NEW QUESTION # 53
Which two statements are true about undo and undo tablespaces?
- A. undo segments are owned by SYSTEM.
- B. There can be only one undo tablespace created in a database.
- C. An undo tablespace may be owned by only one instance.
- D. An instance will crash if the active undo tablespace is lost.
- E. undo segments are owned by SYSBACKUP.
Answer: C,D
NEW QUESTION # 54
Examine the description of the CUSTOMERS table:
You want to display details of all customers who reside in cities starting with the letter D followed by at least two characters.
Which query can be used?
- A. SELECT * FROM customers WHERE city LIKE `D_%';
- B. SELECT * FROM customers WHERE city LIKE `D_';
- C. SELECT * FROM customers WHERE city = `%D_';
- D. SELECT * FROM customers WHERE city = `D_%';
Answer: A
NEW QUESTION # 55
Examine this command:
SQL> ALTER TABLE ORDERS SHRINK SPACE COMPACT
Which two statements are true?
- A. Only queries are allowed on ORDERS while the shrink is executing.
- B. The shrink operation causes rows to be moved to empty space starting toward the end of the orders segment.
- C. Dependent indexes become UNUSABLE.
- D. The shrink operation causes rows to be moved to empty space starting from the beginning of the orders segment.
- E. The high-water mark (HWM) of orders is adjusted.
- F. Queries and DML statements are allowed on ORDERS while the shrink is executing.
Answer: D,F
NEW QUESTION # 56
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 IS NOT NULL
AND cust_credit_limit IS NOT NULL; - B. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNT
FROM customers
WHERE cust_income_level <> NULL
AND due_amount <> 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_incoms_level IS NOT NULL
AND due_amount IS NOT NULL; - E. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNT
FROM customers
WHERE cust_income_level != NULL
AND due_amount !=NULL;
Answer: A
NEW QUESTION # 57
Examine the description of the BOOKS table:
The table has 100 rows.
Examine this sequence of statements issued in a new session:
INSERT INTO books VALUES ('ADV112', 'Adventures of Tom Sawyer', NULL,
NULL);
SAVEPOINT a;
DELETE FROM books;
ROLLBACK TO SAVEPOINT a;
ROLLBACK;
Which two statements are true? (Choose two.)
- A. The first ROLLBACK command restores the 101 rows that were deleted, leaving the inserted row still to be committed
- B. The second ROLLBACK command does nothing
- C. The first ROLLBACK command restores the 101 rows that were deleted and commits the inserted row
- D. The second ROLLBACK command replays the delete
- E. The second ROLLBACK command undoes the insert
Answer: C,E
NEW QUESTION # 58
Which two tasks can you perform using DBCA for databases? (Choose two.)
- A. Register a new database with an available Enterprise Manager Management server
- B. Configure a nonstandard block size for a new database
- C. Configure incremental backups for a new database
- D. Enable flashback database for an existing database
- E. Change the standard block size of an existing database
Answer: A,B
Explanation:
Reference:
https://docs.oracle.com/cd/B16254_01/doc/server.102/b14196/install003.htm
NEW QUESTION # 59
Which two statements are true about Enterprise Manager (EM) Express?
- A. By default, EM express is available for a database after database creation using DBCA.
- B. EM Express uses a separate repository database to store target database metadata.
- C. You can shut down a database instance using EM Express.
- D. You can use a single instance of EM Express to manage multiple database running on the same server.
- E. You cannot start up a database instance using EM Express.
Answer: A,C
NEW QUESTION # 60
Examine these commands:
Which two statements are true about the sqlldr execution? (Choose two.)
- A. It generates a sql script that it uses to load data from EMP.DAT to EMP
- B. It generates a log that contains control file entries, which can be used with normal SQL*Loader operations
- C. It overwrites data in EMP with data in EMP.DAT
- D. It uses the database buffer cache to load data
- E. It appends data from EMP.DAT to EMP
Answer: A,D
NEW QUESTION # 61
You start your database instance in NOMOUNT state. Which two actions are performed?
- A. The control files are opened.
- B. The consistency of the database is checked.
- C. Memory is allocated for the SG1
- D. SYS can access the database.
- E. All required background processes are started.
Answer: C,E
NEW QUESTION # 62
Examine these SQL statements which execute successfully:
Which two statements are true after execution?
- A. The foreign key constraint will be enabled and deferred.
- B. The primary key constraint will be enabled and immediate.
- C. The primary key constraint will be enabled and deferred.
- D. The foreign key constraint will be disabled.
- E. The foreign key constraint will be enabled and immediate.
Answer: D
NEW QUESTION # 63
The SCOTT/TIGER user exists in two databases, BOSTON_DB and DALLAS_DB, in two different locations.
Each database has a tnsnames.ora file defining DALLAS_DB as a service name.
Examine this command:
CREATE DATABASE LINK dblink1 CONNECT TO scott IDENTIFIED BY tiger USING 'dallas_db'; How do you execute the command so that only SCOTT in BOSTON_DB can access the SCOTT schema in DALLAS_DB?
- A. as SCOTT in both the databases
- B. as SCOTT in BOSTON_DB and SYS in DALLAS_DB
- C. as SCOTT in DALLAS_DB
- D. as SCOTT in BOSTON_DB
- E. as SYS in both the databases
Answer: D
Explanation:
https://docs.oracle.com/cd/B28359_01/server.111/b28310/ds_concepts002.htm#ADMIN12085 Database links are either private or public. If they are private, then only the user who created the link has access; if they are public, then all database users have access.
https://docs.oracle.com/database/121/SQLRF/statements_5006.htm#SQLRF01205
NEW QUESTION # 64
You need to calculate the number of days from 1st January 2019 until today.
Dates are stored in the default format of DD-MON-RR.
Which two queries give the required output? (Choose two.)
- A. SELECT SYSDATE - TO_DATE('01-JANUARY-2019') FROM DUAL;
- B. SELECT ROUND(SYSDATE - TO_DATE('01/JANUARY/2019')) FROM DUAL;
- C. SELECT ROUND(SYSDATE - '01-JAN-2019') FROM DUAL;
- D. SELECT TO_DATE(SYSDATE, 'DD/MONTH/YYYY') - '01/JANUARY/2019' FROM DUAL;
- E. SELECT TO_CHAR(SYSDATE,'DD-MON-YYYY') - '01-JAN-2019' FROM DUAL;
Answer: A,B
NEW QUESTION # 65
The SALES_Q1 and USERS tablespaces exist in one of your databases and TEMP is a temporary tablespace.
Segment creation is not deferred.
You execute this command:
Which three statements must be true so that the SALES user can create tables in SALES_Q1? (Choose three.)
- A. The sales user must have a quota on the SALES_Q1 tablespace to hold all the rows to be inserted into any table in their schema
- B. The sales user must have been granted the CREATE SESSION privilege
- C. The sales user must have been granted the CREATE TABLE privilege
- D. The sales user must have a quota on the SALES_Q1 tablespace to hold the initial extends of all tables they plan to create in their schema
- E. The sales user must have a quota on the TEMP tablespace
- F. The sales user must have their quota on the users tablespace removed
Answer: C,D,F
NEW QUESTION # 66
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. invoie_date > '01-02-2019' : uses implicit conversion
- B. qty_sold = '0554982' uses implicit conversion
- C. invoice_date = '15-march-2019' : uses implicit conversion
- D. qty_sold BETWEEN '101' AND '110' : uses implicit conversion
- E. CONCAT (qty_sold, invoice_date) : requires explicit conversion
Answer: C,D
NEW QUESTION # 67
In your data center, Oracle Managed Files (OMF) is used for all databases.
All tablespaces are smallfile tablespaces.
SALES_Q1 is a permanent user-defined tablespace in the SALES database.
Examine this command which is about to be issued by a DBA logged in to the SALES database:
ALTER TABLESPACE sales_q1 ADD DATAFILE;
Which are two actions, either one of which you could take to ensure that the command executes successfully? (Choose two.)
- A. Specify a path in the DATAFILE clause of the command specifying a location with at least 100M of available space.
- B. Ensure that DB_RECOVERY_FILE_DEST and DB_CREATE_FILE_DEST each specify with at least 50 Mb of available space.
- C. Ensure that DB_RECOVERY_FILE_DEST and DB_CREATE_FILE_DEST each specify locations with at least 50 Mb of available space.
- D. Ensure that DB_CREATE_FILE_DEST specifies a location with at least 100 Mb of available space.
- E. Add the AUTOEXTEND ON clause with NEXT set to 100M.
Answer: A,E
NEW QUESTION # 68
Which two statements are true about the SET VERIFY ON command? (Choose two.)
- A. It can be used in SQL Developer and SQL*Plus
- B. It can be used only in SQL*Plus
- C. It displays values for variables used only in the WHERE clause of a query
- D. It displays values for variables created by the DEFINE command
- E. It displays values for variables prefixed with &&
Answer: A,E
NEW QUESTION # 69
Which two statements are true about Enterprise Manager Database Express? (Choose two.)
- A. It can be used to switch a database into ARCHIVELOGMODE
- B. The same port number can be used for Database Express configurations for databases on different hosts
- C. It is available only when the database is open
- D. It can be used to perform database recovery
- E. The same port number can be used for multiple Database Express configurations for multiple databases on the same host
Answer: A,E
Explanation:
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 # 70
Which two statements are true about the SET VERIFY ON command? (Choose two.)
- A. It can be used in SQL Developer and SQL*Plus
- B. It displays values for variables created by the DEFINE command
- C. It displays values for variables prefixed with &&
- D. It can be used only in SQL*Plus
- E. It displays values for variables used only in the WHERE clause of a query
Answer: B,D
NEW QUESTION # 71
Which three activities are recorded in the database alert log? (Choose three.)
- A. Data Definition Language (DDL) statements
- B. deadlock errors
- C. non-default database parameters
- D. block corruption errors
- E. session logins and logouts
Answer: B,C,D
Explanation:
Reference:
https://docs.oracle.com/cd/B28359_01/server.111/b28310/monitoring001.htm#ADMIN11247
NEW QUESTION # 72
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 continues to run in the background
- B. You can reattach to it and monitor it
- C. It is paused and can be resumed
- D. It terminates
- E. You can no longer monitor it
Answer: D,E
Explanation:
https://blog.oracle48.nl/killing-and-resuming-datapump-expdp-and-impdp-jobs/
NEW QUESTION # 73
Which two statements are true about space-saving features in an Oracle Database? (Choose two.)
- A. An index created with the UNUSABLE attribute has no segment
- B. Private Temporary Tables (PTTS) store metadata in memory only
- C. An index that is altered to be UNUSABLE will retain its segment
- D. If they exist for a session, Private Temporary Tables (PTTs) are always dropped at the next COMMIT OR ROLLBACK statement
- E. A table that is truncated will always have its segment removed
Answer: A,D
NEW QUESTION # 74
Which two statements are true about the Automatic Diagnostic Repository (ADR)? (Choose two.)
- A. It supports diagnostics for Oracle Clusterware
- B. The ADR base defaults to $ORACLE_HOME/dbs if the DIAGNOSTIC_DEST parameter and the ORACLE_BASE environment variable are not set
- C. The ADR base defaults to $ORACLE_HOME/rdbms/admin if
neither DIAGNOSTIC_DEST nor ORACLE_BASE is set - D. It is held inside an Oracle database schema
- E. It supports diagnostics for Automatic Storage Management (ASM)
Answer: C,D
Explanation:
Explanation/Reference: https://docs.oracle.com/cd/E11882_01/install.112/e27508/admin.htm
NEW QUESTION # 75
Which two are true about RETENTION GUARANTEE? (Choose two.)
- A. It prevents "Snapshot too old" errors.
- B. It is a static parameter.
- C. It prevents out-of-space errors.
- D. It is a tablespace attribute.
- E. It prevents FLASHBACK DATABASE operation failure.
Answer: D,E
NEW QUESTION # 76
Which three statements are true about a self join? (Choose three.)
- A. The ON clause must be used
- B. It can be an outer join
- C. It must be an equijoin
- D. It must be an inner join
- E. The query must use two different aliases for the table
- F. The ON clause can be used
Answer: B,E,F
NEW QUESTION # 77
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Oracle 1Z1-082 exam is an essential certification for professionals who want to establish their careers in database administration. It provides a comprehensive understanding of the core concepts of Oracle database administration and validates the skills and knowledge required to work with Oracle Database 19c. Passing 1Z0-082 exam is a significant achievement and opens up a world of opportunities in the IT industry.
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1Z0-082 Free Exam Study Guide! (Updated 145 Questions): https://drive.google.com/open?id=1StaJgSzIoJsjSDsSTS9g_PNkGvQ-4kqA