1Z0-082 Free Update With 100% Exam Passing Guarantee [2025]
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Oracle 1Z0-082 exam is an essential step towards becoming a certified Oracle Database Administrator. It requires a thorough understanding of Oracle Database Administration concepts and techniques. 1Z0-082 exam covers various topics, including Oracle Database Architecture, Installation and Configuration, Backup and Recovery, Security, and Performance Tuning. Passing 1Z0-082 exam validates one's skills and knowledge in Oracle Database Administration and opens up various career opportunities in this field.
To be eligible for the Oracle 1Z1-082 certification exam, you should have a basic understanding of database concepts and be familiar with SQL. You should also have practical experience in administering Oracle databases, as the exam tests your ability to apply your knowledge in real-world scenarios. Oracle recommends that you complete the Oracle Database 19c Administration Workshop course before taking the exam.
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Oracle Certified Expert, Oracle Database 12c: RAC and Grid Infrastructure Administrator Certification is not the most difficult Oracle certification test but taking it without any preparation is likely to fail. Therefore, it is highly recommended that candidates should prepare well by taking 1Z0-068 practice exams. Any questions that are left unanswered will be treated as incorrect therefore you should answer all the questions after the examination of 1Z0-068 exam dumps even if you are unsure that which is the correct option, mark the most suitable option as your answer so that any question shouldn't be left as unanswered in 1Z0-068 exam dumps pdf.
NEW QUESTION # 35
In which three situations does a new transaction always start? (Choose three.)
- A. when issuing a TRUNCATE statement after a SELECT statement was issued in the same session
- B. when issuing a CREATE TABLE statement after a SELECT statement was issued in the same session
- C. when issuing the first Data Manipulation Language (DML) statement after a COMMIT OR ROLLBACK statement was issued in the same session
- D. when issuing a SELECT FOR UPDATE statement after a CREATE TABLE AS SELECT statement was issued in the same session
- E. when issuing a DML statement after a DML statement failed in the same session
- F. when issuing a CREATE INDEX statement after a CREATE TABLE statement completed successfully in the same session
Answer: C,D,F
Explanation:
https://docs.oracle.com/en/database/oracle/oracle-database/19/cncpt/transactions.html#GUID-7690181F-8293-47B9-ADC1-905BD9C3AF57
NEW QUESTION # 36
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 generated undo is stored in SYSTEM.
- B. It fails and returns the error message "ORA-30036: unable to extend segment by 8 in undo tablespace 'UNDOTBS1' ".
- C. It succeeds and the least recently read undo block of UNDOTBS1 is overwritten by the generated undo.
- D. It succeeds and the least recently written undo block of UNDOTBS1 is overwritten by the generated undo.
- E. It succeeds and the generated undo is stored in SYSAUX.
Answer: D
NEW QUESTION # 37
Which three statements are true about Oracle synonyms? (Choose three.)
- A. Any user can drop a PUBLIC synonym
- B. A synonym cannot be created for a PL/SQL package
- C. A synonym created by one user can refer to an object belonging to another user
- D. A synonym can be available to all users
- E. A SEQUENCE can have a synonym
Answer: C,D,E
Explanation:
https://docs.oracle.com/cd/B19306_01/server.102/b14200/statements_7001.htm
NEW QUESTION # 38
Which is true about roles?
- A. Roles containing object privileges can be created only by the object owner.
- B. A role can be granted to other roles.
- C. All roles belong to the SYSTEM schema.
- D. Roles can be created only by SYS or SYSTEM.
- E. A role can be password-protected only if it has been granted system privileges.
Answer: E
NEW QUESTION # 39
Examine the description of the employees table:
Which query requires explicit data type conversion?
- A. SELECT join_date FROM employees WHERE join_date > '10-02-2018';
- B. SELECT join_date I I ' ' II salary FROM employees;
- C. SELECT SUBSTR<join_date, 1, 2) - 10 FROM employees;
- D. SELECT join_date + '20' FROM employees; SELECT salary * '120.50' FROM employees;
Answer: A
NEW QUESTION # 40
Which three statements are true about the Oracle join and ANSI join syntax? (Choose three.)
- A. The Oracle join syntax supports creation of a Cartesian product of two tables
- B. The Oracle join syntax only supports right outer joins
- C. The Oracle join syntax supports natural joins
- D. The SQL:1999 compliant ANSI join syntax supports natural joins
- E. The Oracle join syntax performs less well than the SQL:1999 compliant ANSI join syntax
- F. The Oracle join syntax performs better than the SQL:1999 compliant ANSI join syntax
- G. The SQL:1999 compliant ANSI join syntax supports creation of a Cartesian product of two tables
Answer: A,D,G
Explanation:
https://oracle-base.com/articles/9i/ansi-iso-sql-support
NEW QUESTION # 41
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. Ensure that DB_CREATE_FILE_DEST specifies a location with at least 100 Mb of available space.
- B. Add the AUTOEXTEND ON clause with NEXT set to 100M.
- C. Specify a path in the DATAFILE clause of the command specifying a location with at least 100M of available space.
- D. Ensure that DB_RECOVERY_FILE_DEST and DB_CREATE_FILE_DEST each specify locations with at least 50 Mb of available space.
- E. Ensure that DB_RECOVERY_FILE_DEST and DB_CREATE_FILE_DEST each specify with at least 50 Mb of available space.
Answer: A,C
NEW QUESTION # 42
Which two tasks can you perform using DBCA for databases? (Choose two.)
- A. Enable flashback database for an existing database
- B. Configure incremental backups for a new database
- C. Register a new database with an available Enterprise Manager Management server
- D. Change the standard block size of an existing database
- E. Configure a nonstandard block size for a new database
Answer: C,D
Explanation:
Explanation/Reference: https://docs.oracle.com/cd/B16254_01/doc/server.102/b14196/install003.htm
NEW QUESTION # 43
Which two statements are true about the SET VERIFY ON command? (Choose two.)
- A. It can be used only in SQL*Plus
- B. It can be used in SQL Developer and SQL*Plus
- C. It displays values for variables prefixed with &&
- D. It displays values for variables used only in the WHERE clause of a query
- E. It displays values for variables created by the DEFINE command
Answer: B,C
NEW QUESTION # 44
Which two are true about shrinking a segment online? (Choose two.)
- A. It must be in a tablespace that uses Automatic Segment Space Management (ASSM)
- B. To shrink a table it must have a PRIMARY KEY constraint
- C. To shrink a table it must have a UNIQUE KEY constraint
- D. To shrink a table it must have row movement enabled
- E. It always eliminates all migrated rows if any exist in the table
- F. It is not possible to shrink either indexes or Index Organized Tables (IOTs)
Answer: B,D
NEW QUESTION # 45
In one of your databases, you create a user, HR, and then execute this command:
GRANT CREATE SESSION TO hr WITH ADMIN OPTION;
Which four actions can HR perform? (Choose four.)
- A. Log in to the database instance
- B. Execute DML statements in the HR schema
- C. Grant the CREATE SESSION privilege with ADMIN OPTION to other users
- D. Execute DDL statements in the HR schema
- E. Revoke the CREATE SESSION privilege from other users
- F. Revoke the CREATE SESSION privilege from user HR
Answer: A,C,E,F
Explanation:
Explanation
NEW QUESTION # 46
Which three statements are true about dropping and unused columns in an Oracle database?
(Choose three.)
- A. A primary key column referenced by another column as a foreign key can be dropped if using the CASCADE option.
- B. An UNUSED column's space is reclaimed automatically when the row containing that column is next queried.
- C. A DROP COLUMN command can be rolled back
- D. Partition key columns cannot be dropped.
- E. An UNUSED column's space is reclaimed automatically when the block containing that column is next queried.
- F. A column that is set to UNUSED still counts towards the limit of 1000 columns per table
Answer: A,E,F
NEW QUESTION # 47
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.)
- A. SYSDATE and CURRENT_DATE return the current date and time set for the operating system of the database server
- B. CURRENT_TIMESTAMP returns the same date as CURRENT_DATE
- C. CURRENT_TIMESTAMP returns the same date and time as SYSDATE with additional details of fractional seconds
- D. CURRENT_DATE returns the current date and time as per the session time zone
- E. SYSDATE can be used in expressions only if the default date format is DD-MON-RR
- F. SYSDATE can be queried only from the DUAL table
Answer: B,D
Explanation:
https://www.w3resource.com/oracle/datetime-functions/oracle-current_timestamp-function.php
NEW QUESTION # 48
Which three instance situations are possible with the Oracle Database server without multi-tenant? (Choose three.)
- A. two or more instances on separate servers all associated with one database
- B. one instance on one server not associated with any database
- C. one instance on one server associated with one database
- D. one instance on one server associated with two or more databases on separate servers
- E. one instance on one server associated with two or more databases on the same server
Answer: B,D,E
NEW QUESTION # 49
Which three statements are true about inner and outer joins? (Choose three.)
- A. A left or right outer join returns only unmatched rows
- B. A full outer join must use Oracle syntax
- C. Outer joins can be used when there are multiple join conditions on two tables
- D. A full outer join returns matched and unmatched rows
- E. An inner join returns matched rows
- F. Outer joins can only be used between two tables per query
Answer: A,D,E
Explanation:
Explanation/Reference: https://www.studytonight.com/dbms/joining-in-sql.php
NEW QUESTION # 50
Which three statements are true about data block storage in an Oracle Database?
- A. A block header contains a row directory pointing to all rows in the block.
- B. A table block must always contain row data.
- C. An index block can contain row data.
- D. Row data is stored starting at the end of the block.
- E. A data block header is of a fixed length.
Answer: A,E
NEW QUESTION # 51
View the Exhibits and examine the structure of the COSTS and PROMOTIONS tables.
You want to display PROD_IDS whose promotion cost is less than the highest cost PROD_ID in a promotion time interval.
Examine this SQL statement:
Exhibit 1.
Exhibit 2.
What will be the result?
- A. It gives an error because the GROUP BY clause is not valid
- B. It executes successfully and gives the required result
- C. It gives an error because the ALL keyword is not valid
- D. It executes successfully but does not give the required result
Answer: B
NEW QUESTION # 52
Which three statements are true about advanced connection options supported by Oracle Net for connection to Oracle Database instances? (Choose three.)
- A. Connect Time Failover requires the use of Transparent Application Failover (TAF)
- B. Load Balancing requires the use of a name server
- C. Source Routing requires the use of a name server
- D. Source Routing enables the use of Connection Manager (CMAN) which enables network traffic to be routed through a firewall
- E. Connect Time Failover requires the connect string to have two or more listener addresses configured
- F. Load Balancing can balance the number of connections to dispatchers when using a Shared Server configuration
Answer: D,E,F
Explanation:
https://docs.oracle.com/en/database/oracle/oracle-database/12.2/rilin/shared-server-configuration-for-an-oracle-rac-database.html#GUID-2EFBA08D-FEEE-407F-BC42-E548DA946DF9
NEW QUESTION # 53
Which statement is true about database links?
- A. A database link can be created only between two Oracle databases.
- B. Private database link creation requires the same user to exist in both the local and the remote databases.
- C. A public database link can be used by a user connected to the local database instance to connect to any schema in the remote database instance.
- D. A database link created in a database allows a connection from that database's instance to the target database's Instance, but not vice versa.
- E. A public database link can be created only by sys.
Answer: C
NEW QUESTION # 54
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. Each SELECT statement in the compound query can have its own ORDER BY clause
- 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. Only column names from the first SELECT statement in the compound query are recognized
Answer: A,E
NEW QUESTION # 55
Examine this command and some partial output:
Why does the DB01.abc.com service show unknown status?
- A. The service DB01.abc.com is statically registered
- B. The listener is not listening on the default port 1521
- C. The service DB01.abc.com is dynamically registered
- D. The SID_LIST_LISTENER section is not contained in the LISTENER.ORA file
- E. The LOCAL_LISTENER database parameter is not set to a service name that refers to LISTENER_1
Answer: A
NEW QUESTION # 56
Which two are true about shrinking a segment online? (Choose two.)
- A. It must be in a tablespace that uses Automatic Segment Space Management (ASSM)
- B. To shrink a table it must have a PRIMARY KEY constraint
- C. To shrink a table it must have a UNIQUE KEY constraint
- D. To shrink a table it must have row movement enabled
- E. It always eliminates all migrated rows if any exist in the table
- F. It is not possible to shrink either indexes or Index Organized Tables (IOTs)
Answer: B,D
Explanation:
https://docs.oracle.com/cd/B19306_01/server.102/b14200/statements_3001.htm
NEW QUESTION # 57
Which three Oracle database space management features will work with both Dictionary and Locally managed tablespaces? (Choose three.)
- A. Online table segment shrink
- B. Automatic data file extension (AUTOEXTEND)
- C. Capacity planning growth reports based on historical data in the Automatic Workload Repository (AWR)
- D. Online index segment shrink
- E. Oracle Managed Files (OMF)
Answer: B,C,E
NEW QUESTION # 58
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