[Oct-2026] Pass Oracle 1Z0-082 Exam in First Attempt Guaranteed! [Q81-Q104]

October 8, 2026 1Z0-082, Oracle 0 Comments

[Oct-2026] Pass Oracle 1Z0-082 Exam in First Attempt Guaranteed! [Q81-Q104]

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[Oct-2026] Pass Oracle 1Z0-082 Exam in First Attempt Guaranteed!

Full 1Z0-082 Practice Test and 165 unique questions with explanations waiting just for you, get it now!

QUESTION 81
Examine this command:

Which two statements are true? (Choose two.)

DML may be performed on tables with one or more extents in this data file during the execution of this command.

The tablespace containing SALES1.DBF must be altered READ ONLY before executing the command.

The tablespace containing SALES1.DBF must be altered OFFLINE before executing the command.

If Oracle Managed Files (OMF) is used, then the file is renamed but moved to DB_CREATE_FILE_DEST.

The file is renamed and stored in the same location

QUESTION 82
Which statement is true about smallfile tablespaces?

Extent location metadata is stored in the data dictionary by default.

The number of data files is constrained only by the size of the storage array.

Maximum file size can be set to unlimited only if the logical volume manager supports striping.

Segments can span multiple tablespaces.

Segments can span multiple data files.

QUESTION 83
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.)

Revoke the CREATE SESSION privilege from other users

Revoke the CREATE SESSION privilege from user HR

Grant the CREATE SESSION privilege with ADMIN OPTION to other users

Execute DDL statements in the HR schema

Execute DML statements in the HR schema

QUESTION 84
Which two statements are true about Enterprise Manager Database Express? (Choose two.)

It is available only when the database is open

It can be used to perform database recovery

The same port number can be used for Database Express configurations for databases on different hosts

It can be used to switch a database into ARCHIVELOGMODE

The same port number can be used for multiple Database Express configurations for multiple databases on the same host

QUESTION 85
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.)

SELECT TO_CHAR(SYSDATE, `DD-MON-YYYY’) ?’01-JAN-2019′ FROM DUAL;

SELECT ROUND(SYSDATE ?’01-JAN-2019′) FROM DUAL;

SELECT ROUND(SYSDATE ?TO_DATE(`01/JANUARY/2019′)) FROM DUAL;

SELECT TO_DATE(SYSDATE, `DD/MONTH/YYYY’) ?`01/JANUARY/2019′ FROM DUAL;

SELECT SYSDATE ?TO_DATE(’01-JANUARY-2019′) FROM DUAL;

QUESTION 86
Which two statements are true about the DUAL table? (Choose two.)

It can be accessed only by the SYS user

It consists of a single row and single column of VARCHAR2 data type

It can display multiple rows but only a single column

It can be used to display only constants or pseudo columns

It can be accessed by any user who has the SELECT privilege in any schema

It can display multiple rows and columns

QUESTION 87
Which two statements are true about the results of using the INTERSECT operator in compound queries?
(Choose two.)

Column names in each SELECT in the compound query can be different

The number of columns in each SELECT in the compound query can be different

Reversing the order of the intersected tables can sometimes affect the output

INTERSECT returns rows common to both sides of the compound query

INTERSECT ignores NULLs

QUESTION 88
What is true about non-equijoin statement performance? (Choose two.)

Table aliases can improve performance

The BETWEEN condition always performs better than using the >= and <= conditions

The join syntax used makes no difference to performance

The BETWEEN condition always performs less well than using the >= and <= conditions

The Oracle join syntax performs better than the SQL:1999 compliant ANSI join syntax

QUESTION 89
You execute this command:
CREATE SMALLFILE TABLESPACE sales
DATAFILE ‘/u01/app/oracle/sales01.dbf
SIZE 5G
SEGMENT SPACE MANAGEMENT AUTO;
Which two statements are true about the SALES tablespace? (Choose two.)

It must be smaller than the smallest BIGFILE tablespace

Free space is managed using freelists

Any data files added to the tablespace must have a size of 5 gigabytes

It uses the database default blocksize

It is a locally managed tablespace

QUESTION 90
Examine this command:

Which two statements are true?

Compressed objects in SALES01.DBF will be uncompressed In SALES02.DBF after the move.

DML may be performed on tables with one or more extents in this data file during the execution of this command.

It overwrites any existing file with the name SALES02.DBF.dbf in /u02 by default.

The “to” clause containing the new file name must be specified even if Oracle Managed Files (OMF) is used.

Tables with one or more extents in this data file may be queried during the execution of this command.

QUESTION 91
Which two are true about a SQL statement using SET operators such as UNION? (Choose two.)

The data type group of each column returned by the second query must match the data type of the corresponding column returned by the first query.

The number, but not names, of columns must be identical for all SELECT statements in the query.

The data type of each column returned by the second query must exactly match the data type of the corresponding column returned by the first query.

The names and number of columns must be identical for all SELECT statements in the query.

The data type of each column returned by the second query must be implicitly convertible to the data type of the corresponding column returned by the first query.

QUESTION 92
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?

It succeeds and the generated undo is stored in SYSTEM.

It fails and returns the error message “ORA-30036: unable to extend segment by 8 in undo tablespace ‘UNDOTBS1′”.

It succeeds and the least recently written undo block of UNDOTBS1 is overwritten by the generated undo.

It succeeds and the generated undo is stored in SYSAUX.

It succeeds and the least recently read undo block of UNDOTBS1 is overwritten by the generated undo.

QUESTION 93
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?

It gives an error because the ALL keyword is not valid

It gives an error because the GROUP BY clause is not valid

It executes successfully but does not give the required result

It executes successfully and gives the required result

QUESTION 94
Which three statements are true about inner and outer joins? (Choose three.)

A full outer join returns matched and unmatched rows

An inner join returns matched rows

Outer joins can only be used between two tables per query

A full outer join must use Oracle syntax

Outer joins can be used when there are multiple join conditions on two tables

A left or right outer join returns only unmatched rows

QUESTION 95
Which three statements are true about Oracle synonyms? (Choose three.)

A synonym cannot be created for a PL/SQL package

A synonym can be available to all users

A SEQUENCE can have a synonym

A synonym created by one user can refer to an object belonging to another user

Any user can drop a PUBLIC synonym

QUESTION 96
Which two statements are true about single row functions? (Choose two.)

MOD : returns the quotient of a division operation

FLOOR : returns the smallest integer greater than or equal to a specified number

TRUNC : can be used to combine any number of values

CONCAT : can be used to combine any number of values

CEIL : can be used for positive and negative numbers

QUESTION 97
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.)

Column positions must be used in the ORDER BY clause

Only column names from the first SELECT statement in the compound query are recognized

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

Each SELECT statement in the compound query must have its own ORDER BY clause

Each SELECT statement in the compound query can have its own ORDER BY clause

QUESTION 98
Which two statements are true?

SALES1 has not NULL constraints on any selected columns which had those constraints in the sales table.

SALES1 has primary key and unique constraints on any selected columns which had those constraints in the sales table.

SALES1 is created with 55,000 rows.

SALES1 is created with no rows.

SALES1 is created with 1 row.

QUESTION 99
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.)

SELECT promo_cost, promo_category FROM promotions ORDER BY by 1;

SELECT DISTINCT promo_cost || ‘ in ‘ || DISTINCT promo_category FROM promotions ORDER BY 1;

SELECT DISTINCT promo_category || ‘ has ‘ || promo_cost AS COSTS FROM promotions ORDER BY 1;

SELECT promo_category, DISTINCT promo_cost FROM promotions ORDER BY 2;

SELECT DISTINCT promo_category, promo_cost FROM promotions ORDER BY 1;

QUESTION 100
Which two statements are true about segment types in an Oracle Database?

Table segments always have two or more extents.

Temporary segments are only stored in a temporary tablespace.

Undo segments are only stored in an undo tablespace.

Cluster segments may contain data from multiple tables.

Index segments always have two or more extents.

QUESTION 101
Which three statements are true about GLOBAL TEMPORARY TABLES? (Choose three.)

A TRUNCATE command issued in a session causes all rows in a GLOBAL TEMPORARY TABLE for the issuing session to be deleted.

GLOBAL TEMPORARY TABLE rows inserted by a session are available to any other session whose user has been granted select on the table.

GLOBAL TEMPORARY TABLE space allocation occurs at session start.

Any GLOBAL TEMPORARY TABLE rows existing at session termination will be deleted.

A GLOBAL TEMPORARY TABLE’S definition is available to multiple sessions.

A DELETE command on a GLOBAL TEMPORARY TABLE cannot be rolled back.

QUESTION 102
Which two tasks can you perform using DBCA for databases? (Choose two.)

Configure a nonstandard block size for a new database

Change the standard block size of an existing database

Configure incremental backups for a new database

Enable flashback database for an existing database

QUESTION 103
The sales table has columns prod_id and quantity_sold of data type number In two queries execute successfully?

SELECT prod_id FROM sales WHERE quantity_sold > 55000 GROUP BY prod_id HAVING COUNT(-) > 10;

SELECT prod_id FROM sales WHERE quantity_sold > 5S000 AND COUNT(-) > 10 GROUP BY prod_id HAVING COUNT(-) > 10;

SELECT COUNT|prod_id> FROM sales WHERE quantity_sold > 55000 GROUP BY prod_id;

SELECT COUNTlprod_id> FROM sales GROUP BY prod_id WHERE quantity_Sold > 55000;

SELECT prod_id FROM sales WHERE quantity_scld > 55000 AND COUNT(-) > 10 GROUP BY COUNT(-) > 10;

QUESTION 104
Examine this command and some partial output:

Why does the DB01.abc.com service show unknown status?

The service DB01.abc.com is dynamically registered

The LOCAL_LISTENER database parameter is not set to a service name that refers to LISTENER_1

The service DB01.abc.com is statically registered

The listener is not listening on the default port 1521

The SID_LIST_LISTENER section is not contained in the LISTENER.ORA file

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[Oct-2026] Pass Oracle 1Z0-082 Exam in First Attempt Guaranteed! [Q81-Q104]

[Oct-2026] Pass Oracle 1Z0-082 Exam in First Attempt Guaranteed! [Q81-Q104]

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