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Oracle Actual Free Exam Questions And Answers

To prepare for the Oracle 1Z0-082 exam, candidates should have a thorough understanding of Oracle database concepts and principles. They should also have hands-on experience working with Oracle databases, preferably in a production environment. Oracle offers a range of training courses and study materials to help candidates prepare for the exam, including instructor-led training, online training, and self-study materials.

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.

 

NEW QUESTION # 17
Which two statements are true?

• A. SALES1 is created with no rows.
• B. SALES1 is created with 55,000 rows.
• C. SALES1 is created with 1 row.
• D. SALES1 has primary key and unique constraints on any selected columns which had those constraints in the sales table.
• E. SALES1 has not NULL constraints on any selected columns which had those constraints in the sales table.

Answer: B,E

NEW QUESTION # 18
A script abc.sql must be executed to perform a job.
A database user HR, who is defined in this database, executes this command:
$ sqlplus hr/hr@orcl @abc.sql
What will happen upon execution?

• A. The command fails because the script must refer to the full path name
• B. The command fails and reports an error because @ is used twice
• C. The command succeeds and HR will be connected to the orcl database instance, and the abc.sql script will be executed
• D. The command succeeds and HR will be connected to the orcl and abc.sql databases

Answer: C

Explanation:
Explanation

NEW QUESTION # 19
Which two statements are true about views used for viewing tablespace and datafile information? (Choose two.)

• A. V$TABLESPACE displays information that is contained in the controlfile about tablespaces
• B. A datafile can be renamed when the database is in MOUNT state and the new file name is displayed when querying DBA_DATA_FILES after the database is opened
• C. Tablespace free space can be viewed in DBA_TABLESPACES
• D. V$TABLESPACE displays information about tablespaces contained in the data dictionary
• E. Tablespace free space can be viewed in V$TABLESPACE

Answer: A,B

NEW QUESTION # 20
You have been tasked to create a table for a banking application.
One of the columns must meet three requirements:
Be stored in a format supporting date arithmetic without using conversion functions Store a loan period of up to 10 years Be used for calculating interest for the number of days the loan remains unpaid Which data type should you use?

• A. TIMESTAMP WITH LOCAL TIMEZONE
• B. TIMESTAMP
• C. INTERVAL YEAR TO MONTH
• D. TIMESTAMP WITH TIMEZONE
• E. INTERVAL DAY TO SECOND

Answer: E

NEW QUESTION # 21
Which three Oracle database space management features will work with both Dictionary and Locally managed tablespaces? (Choose three.)

• A. Automatic data file extension (AUTOEXTEND)
• B. Online index segment shrink
• C. Capacity planning growth reports based on historical data in the Automatic Workload Repository (AWR)
• D. Online table segment shrink
• E. Oracle Managed Files (OMF)

Answer: A,C,E

NEW QUESTION # 22
Which statement is true about smallfile tablespaces?

• A. Segments can span multiple data files.
• B. Maximum file size can be set to unlimited only if the logical volume manager supports striping.
• C. Extent location metadata is stored in the data dictionary by default.
• D. The number of data files is constrained only by the size of the storage array.
• E. Segments can span multiple tablespaces.

Answer: A

NEW QUESTION # 23
Evaluate these commands which execute successfully:

Which two statements are true about the ORD_ITEMS table and the ORD_SEQ sequence? (Choose two.)

• A. If sequence ORD_SEQ is dropped then the default value for column ORD_NO will be NULL for rows inserted into ORD_ITEMS
• B. Column ORD_NO gets the next number from sequence ORD_SEQ whenever a row is inserted into ORD_ITEMS and no explicit value is given for ORD_NO
• C. Any user inserting rows into table ORD_ITEMS must have been granted access to sequence ORD_SEQ
• D. Sequence ORD_SEQ cycles back to 1 after every 5000 numbers and can cycle 20 times
• E. Sequence ORD_SEQ is guaranteed not to generate duplicate numbers

Answer: B,C

NEW QUESTION # 24
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. Create nonstandard block size tablespaces.
• C. Create an additional listener.
• D. Change the character set.
• E. Create a template that can be used to clone the database.

Answer: A,D

NEW QUESTION # 25
Which three statements are true about time zones, date data types, and timestamp data types in an Oracle database? (Choose three.)

• A. The CURRENT_TIMESTAMP function returns data without time zone information
• B. The SESSIONTIMEZONE function can return an offset from Universal Coordinated Time (UTC)
• C. A TIMESTAMP data type column contains information about year, month, and day
• D. A TIMESTAMP WITH LOCAL TIMEZONE data type column is stored in the database using the time zone of the session that inserted the row
• E. The DBTIMEZONE function can return an offset from Universal Coordinated Time (UTC)

Answer: B,D,E

NEW QUESTION # 26
View the Exhibit and examine the description of the tables.
You execute this SQL statement:

Which three statements are true?

• A. The statement will fall if a row already exists in the sales table for product 23.
• B. The statement will execute successfully and a new row will be inserted into the sales table.
• C. A customer can exist in many countries.
• D. A product can have a different unit price at different times.
• E. The statement will fail because a subquery may not be contained in a values clause.
• F. The sales table has five foreign keys.

Answer: B,D,F

NEW QUESTION # 27
Which three statements are true about inner and outer joins? (Choose three.)

• A. Outer joins can be used when there are multiple join conditions on two tables
• B. A full outer join must use Oracle syntax
• C. An inner join returns matched rows
• D. A left or right outer join returns only unmatched rows
• E. A full outer join returns matched and unmatched rows
• F. Outer joins can only be used between two tables per query

Answer: A,C,E

NEW QUESTION # 28
Which three statements are true concerning logical and physical database structures? (Choose three.)

• A. Segments can span multiple tablespaces
• B. The extents of a segment must always reside in the same datafile
• C. A segment's blocks can be of different sizes
• D. A segment might have only one extent
• E. A smallfile tablespace might be bigger than a bigfile tablespace
• F. A segment can span multiple data files in some tablespaces
• G. All tablespaces may have one or more data files

Answer: A,D,E

NEW QUESTION # 29
Examine these SQL statements which execute successfully:

Which two statements are true after execution?

• A. The primary key constraint will be enabled and immediate.
• B. The primary key constraint will be enabled and deferred.
• C. The foreign key constraint will be enabled and deferred.
• D. The foreign key constraint will be enabled and immediate.
• E. The foreign key constraint will be disabled.

Answer: E

NEW QUESTION # 30
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 SYSAUX.
• 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 SYSTEM.

Answer: D

NEW QUESTION # 31
Which two are true about complete and incomplete recovery? (Choose two.)

• A. The database must have FLASHBACK enabled in order to perform incomplete recovery.
• B. Uncommitted transactions will be rolled back after complete recovery completes.
• C. Incomplete recovery is possible only when the database is open.
• D. Uncommitted transactions will be rolled back after incomplete recovery completes.
• E. Only incremental backups can be used to roll forward the database while performing complete recovery.

Answer: B,E

NEW QUESTION # 32
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?

• A. in the undo tablespace
• B. in the temporary tablespace
• C. in the SGA
• D. in the SYSAUX tablespace
• E. in the PGA

Answer: A

NEW QUESTION # 33
Table EMPLOYEES contains columns including EMPLOYEE_ID, JOB_ID and SALARY.
Only the EMPLOYEE_ID column is indexed.
Rows exist for employees 100 and 200.
Examine this statement:

Which two statements are true? (Choose two.)

• A. Employee 200 will have SALARY set to the same value as the SALARY of employee 100
• B. Employee 100 will have SALARY set to the same value as the SALARY of employee 200
• C. Employees 100 and 200 will have the same JOB_ID as before the update command
• D. Employee 200 will have JOB_ID set to the same value as the JOB_ID of employee 100
• E. Employee 100 will have JOB_ID set to the same value as the JOB_ID of employee 200
• F. Employees 100 and 200 will have the same SALARY as before the update command

Answer: B,D

NEW QUESTION # 34
Which two statements are true about Enterprise Manager (EM) Express?

• A. EM Express uses a separate repository database to store target database metadata.
• B. You can shut down a database instance using EM Express.
• C. By default, EM express is available for a database after database creation using DBCA.
• D. You cannot start up a database instance using EM Express.
• E. You can use a single instance of EM Express to manage multiple database running on the same server.

Answer: B,C

NEW QUESTION # 35
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 executes successfully but does not give the required result
• D. It gives an error because the ALL keyword is not valid

Answer: B

NEW QUESTION # 36
Which two statements are true about single row functions? (Choose two.)

• A. MOD : returns the quotient of a division operation
• B. CEIL : can be used for positive and negative numbers
• C. TRUNC : can be used with NUMBER and DATE values
• D. FLOOR : returns the smallest integer greater than or equal to a specified number
• E. CONCAT : can be used to combine any number of values

Answer: A,C

Explanation:
https://docs.oracle.com/en/database/oracle/oracle-database/18/sqlrf/Single-Row- Functions.html#GUID-B93F789D-B486-49FF-B0CD-0C6181C5D85C

NEW QUESTION # 37
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 SPFILEc
• D. in the SPFILE and in memory
• E. in the SPFILE, SPFILE, and memory

Answer: C

NEW QUESTION # 38
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 LREG process registers services dynamically with the LISTENER_1 listener
• C. Dynamic service registration cannot be used for this database instance
• D. LISTENER_1 must also be defined in the LISTENER.ORA file to enable dynamic service registration
• E. The definition for LISTENER_1 requires a CONNECT_DATA section to enable dynamic service registration

Answer: D

NEW QUESTION # 39
Examine the description of the PROMOTIONS table:

You want to display the unique promotion costs in each promotion category.
Which two queries can be used? (Choose two.)

• A. SELECT DISTINCT promo_category || ` has ` || promo_cost AS COSTS FROM promotions ORDER BY 1;
• B. SELECT promo_category, DISTINCT promo_cost FROM promotions ORDER BY 2;
• C. SELECT DISTINCT promo_category, promo_cost FROM promotions ORDER BY 1;
• D. SELECT promo_cost, promo_category FROM promotions ORDER BY by 1;
• E. SELECT DISTINCT promo_cost || ' in ` || DISTINCT promo_category FROM promotions ORDER BY 1;

Answer: B,C

NEW QUESTION # 40
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_incoms_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 # 41
Which two functions are performed by a listener?

• A. maintaining the connection to a client's user process until the user request is completed
• B. verifying the service name in an incoming user request
• C. returning the results of processing from the server process to the user process
• D. connecting a user process to a server process
• E. creating a user session in the System Global Area (SGA)
• F. verifying a user's authentication credentials

Answer: C,D

NEW QUESTION # 42
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Oracle 1Z0-082 certification exam covers a range of topics such as understanding the Oracle database architecture, installing and configuring Oracle databases, managing database storage structures, administering user security, backup and recovery techniques, and more. 1Z0-082 exam is designed to test the candidate's knowledge and skills in these areas, ensuring that they are capable of performing the tasks required of an Oracle Database Administrator.

 

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