1Z1-082 Certification - The Ultimate Guide [Updated 2026]
1Z1-082 Practice Exam and Study Guides - Verified By PracticeTorrent
The Oracle 1Z1-082 exam covers Oracle Database Management. This section tests the candidate's knowledge of Oracle database management, including managing tablespaces and data files, performing backup and recovery operations, and managing database security.
Oracle 1Z1-082 certification exam is designed to test the skills and knowledge of individuals who want to pursue a career in database administration. 1Z1-082 exam is the first step towards becoming an Oracle Certified Associate (OCA) in Oracle Database Administration. Passing 1Z1-082 exam validates your ability to manage and maintain Oracle databases efficiently.
NEW QUESTION # 52
Your database instance is started with a PFILE.
Examine these parameters:
You want to increase the size of the buffer cache.
Free memory is available to increase the size of the buffer cache.
You execute the command:
SQL> ALTER SYSTEM SET DB_CACHE_SIZE=1024M;
What is the outcome?
- A. Change is applied to the current instance, but does not persist after instance restart
- B. The value is changed only in the PFILE and takes effect at the next instance startup
- C. It fails because the SCOPE clause is missing
- D. The value is changed for the current instance and in the PFILE
Answer: A
Explanation:
Reference:
https://docs.oracle.com/database/121/SQLRF/statements_2017.htm#SQLRF00902
NEW QUESTION # 53
You want to apply the principle of Least Privilege in all your live databases.
One of your requirements is to revoke unnecessary privileges from all users who have them using Privilege Analysis.
Which three types of analyses can be done using the DBMS_PRIVILEGE_CAPTURE package? (Choose three.)
- A. analysis of all privileges used by all users but excluding administrative users in the database
- B. analysis of privileges granted directly to a role that are then used by a user who has been granted that role
- C. analysis of privileges granted indirectly to a role that are then used by a user who has been granted that role
- D. analysis of privileges that a user has on their own schema objects that they did not use
- E. analysis of privileges that a user has on their own schema objects that they did use
- F. analysis of all privileges used by all users including administrative users in the database
Answer: A,B,C
Explanation:
https://docs.oracle.com/en/database/oracle/oracle-database/19/dbseg/performing-privilege-analysis-find-privilege-use.html#GUID-AD683DDB-D345-4702-B1F4-37B79F276B66
NEW QUESTION # 54
You execute this query:
SELECT TO_CHAR(NEXT_DAY(LAST_DAY(SYSDATE), `MON'), `dd "Monday for"
fmMonth rrrr')
What is the result?
- A. It generates an error
- B. It returns the date for the last Monday of the current month
- C. It returns the date for the first Monday of the next month
- D. It executes successfully but does not return any result
Answer: C
NEW QUESTION # 55
Examine this description of the TRANSACTIONS table:
Which two SQL statements execute successfully? (Choose two.)
- A. SELECT customer_id AS `CUSTOMER-ID', transaction_date AS DATE, amount + 100 `DUES AMOUNT' FROM transactions;
- B. SELECT customer_id AS CUSTOMER-ID, transaction_date AS TRANS_DATE, amount + 100
"DUES AMOUNT" FROM transactions; - C. SELECT customer_id CUSTID, transaction_date TRANS_DATE, amount + 100 DUES FROM transactions;
- D. SELECT customer_id AS "CUSTOMER-ID", transaction_date AS "DATE", amount + 100 DUES FROM transactions;
- E. SELECT customer_id AS "CUSTOMER-ID", transaction_date AS DATE, amount + 100 "DUES" FROM transactions;
Answer: C,D
NEW QUESTION # 56
Which two actions can you perform using DBCA for an existing database?
- A. Change the server mode from dedicated to shared, and vice versa.
- B. Change the character set.
- C. Create a template that can be used to clone the database.
- D. Create nonstandard block size tablespaces.
- E. Create an additional listener.
Answer: A,B
NEW QUESTION # 57
Your database instance is started with a PFILE.
Examine these parameters:
You want to increase the size of the buffer cache.
Free memory is available to increase the size of the buffer cache.
You execute the command:
SQL> ALTER SYSTEM SET DB_CACHE_SIZE=1024M;
What is the outcome?
- A. Change is applied to the current instance, but does not persist after instance restart
- B. The value is changed only in the PFILE and takes effect at the next instance startup
- C. It fails because the SCOPE clause is missing
- D. The value is changed for the current instance and in the PFILE
Answer: A
NEW QUESTION # 58
Which two statements are true about the ORDER BY clause when used with a SQL statement containing a SET operator such as UNION? (Choose two.)
- A. Only column names from the first SELECT statement in the compound query are recognized
- B. The first column in the first SELECT of the compound query with the UNION operator is used by default to sort output in the absence of an ORDER BY clause
- C. Each SELECT statement in the compound query must have its own ORDER BY clause
- D. Column positions must be used in the ORDER BY clause
- E. Each SELECT statement in the compound query can have its own ORDER BY clause
Answer: A,E
NEW QUESTION # 59
In the spfile of a single instance database, LOCAL_LISTENER is set to LISTENER_1.
The TNSNAMES.ORA file in $ORACLE_HOME/network/admin in the database home contains:
Which statement is true?
- A. There are two listeners named LISTENER and LISTENER_1 running simultaneously using port 1521 on the same host as the database instances
- B. The definition for LISTENER_1 requires a CONNECT_DATA section to enable dynamic service registration
- C. The LREG process registers services dynamically with the LISTENER_1 listener
- D. Dynamic service registration cannot be used for this database instance
- E. LISTENER_1 must also be defined in the LISTENER.ORA file to enable dynamic service registration
Answer: C
Explanation:
The listener forwards client requests to supported services. These services are dynamically registered with the listener. This dynamic registration feature is called service registration. The registration is performed by the Listener Registration (LREG) process. Dynamic service registration does not require any manual configuration in the listener.ora file.
Reference:
https://docs.oracle.com/database/121/NETAG/listenercfg.htm#NETAG292
https://docs.oracle.com/database/121/NETAG/listenercfg.htm#NETAG292
NEW QUESTION # 60
The EMPLOYEES table contains columns EMP_ID of data type NUMBER and HIRE_DATE of data type DATE.
You want to display the date of the first Monday after the completion of six months since hiring.
The NLS_TERRITORY parameter is set to AMERICA in the session and, therefore, Sunday is the first day on the wee.
Which query can be used?
- A. SELECT emp_id, ADD_MONTHS(hire_date, 6), NEXT_DAY('MONDAY') FROM employees;
- B. SELECT emp_id, NEXT_DAY(ADD_MONTHS(hire_date, 6), 1) FROM employees;
- C. SELECT emp_id, NEXT_DAY(MONTHS_BETWEEN(hire_date, SYSDATE), 6) FROM employees;
- D. SELECT emp_id, NEXT_DAY(ADD_MONTHS(hire_date, 6), 'MONDAY') FROM employees;
Answer: D
NEW QUESTION # 61
Which two statements are true about the PMON background process? (Choose two.)
- A. It records checkpoint information in the control file
- B. It registers database services with all local and remote listeners known to the database instance
- C. It kills sessions that exceed idle time
- D. It frees unused temporary segments
- E. It frees resources held by abnormally terminated processes
Answer: B,E
Explanation:
Explanation/Reference: https://docs.oracle.com/cd/B19306_01/server.102/b14220/process.htm
NEW QUESTION # 62
Which statement is true about aggregate functions?
- A. The MAX and MIN functions can be used on columns with character data types
- B. The AVG function implicitly converts NULLS to zero
- C. Aggregate functions can be nested to any number of levels
- D. Aggregate functions can be used in any clause of a SELECT statement
Answer: C
NEW QUESTION # 63
Which two statements are true about the DUAL table? (Choose two.)
- A. It can be accessed by any user who has the SELECT privilege in any schema
- B. It can be used to display only constants or pseudo columns
- C. It can display multiple rows and columns
- D. It consists of a single row and single column of VARCHAR2 data type
- E. It can be accessed only by the SYS user
- F. It can display multiple rows but only a single column
Answer: D,E
NEW QUESTION # 64
You currently have an active transaction in your session and have been granted select access to vstransaction.
In which three situations will re-executing this query still return a row but with a different XID, indicating a new transaction has started?
- A. after successfully executing a create table as select statement followed by a select for update statement
- B. after successfully executing a commit or rollback followed by a DML statement
- C. after successfully executing a DML statement following a failed DML statement
- D. after successfully executing a truncate statement followed by a DML statement
- E. after successfully executing a create table statement followed by a create index statement
- F. after successfully executing a commit or rollback followed by a select statement
Answer: A,B,D
NEW QUESTION # 65
Which two statements are true about the PMON background process? (Choose two.)
- A. It kills sessions that exceed idle time
- B. It records checkpoint information in the control file
- C. It registers database services with all local and remote listeners known to the database instance
- D. It frees unused temporary segments
- E. It frees resources held by abnormally terminated processes
Answer: A,E
Explanation:
Reference:
* Performs process recovery when a user process fails - Cleans up the database buffer cache - Frees resources that are used by the user process * Monitors sessions for idle session timeout
NEW QUESTION # 66
Which two statements are true about Enterprise Manager Database Express? (Choose two.)
- A. The same port number can be used for multiple Database Express configurations for multiple databases on the same host
- B. It can be used to perform database recovery
- C. The same port number can be used for Database Express configurations for databases on different hosts
- D. It is available only when the database is open
- E. It can be used to switch a database into ARCHIVELOGMODE
Answer: C,D
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 # 67
Which two are true about RETENTION GUARANTEE? (Choose two.)
- A. It prevents out-of-space errors.
- B. It prevents "Snapshot too old" errors.
- C. It prevents FLASHBACK DATABASE operation failure.
- D. It is a tablespace attribute.
- E. It is a static parameter.
Answer: C,D
NEW QUESTION # 68
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. Log in to the database instance
- C. Execute DDL statements in the HR schema
- D. Execute DML statements in the HR schema
- E. Grant the CREATE SESSION privilege with ADMIN OPTION to other users
- F. Revoke the CREATE SESSION privilege from other users
Answer: C,E,F
Explanation:
https://docs.oracle.com/cd/B28359_01/network.111/b28531/authorization.htm#DBSEG224
NEW QUESTION # 69
Examine this command and some partial output:
Why does the DB01.abc.com service 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 SID_LIST_LISTENER section is not contained in the LISTENER.ORA file
- D. The LOCAL_LISTENER database parameter is not set to a service name that refers to LISTENER_1
- E. The service DB01.abc.com is statically registered
Answer: E
NEW QUESTION # 70
Which three statements are true about single-row functions? (Choose three.)
- A. They return a single result row per table
- B. They can be used only in the WHERE clause of a SELECT statement
- C. The argument can be a column name, variable, literal or an expression
- D. They can be nested to any level
- E. They can accept only one argument
- F. The data type returned can be different from the data type of the argument
Answer: A,C,F
NEW QUESTION # 71
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Oracle 1Z1-082 exam is a multiple-choice test that consists of 70 questions. Candidates are given 105 minutes to complete the exam and must achieve a score of 63% or higher in order to pass. 1Z1-082 exam is administered at authorized testing centers around the world and can also be taken online.
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