Free Oracle 1Z1-082 Practice Test & Real Exam Questions

Exam Code/Number: 1Z1-082
Exam Name/Title: Oracle Database Administration I
Certification Provider: Oracle
Corresponding Certification: Oracle Database 19c

Exam Questions: 165
Updated On: Oct 04, 2026

Question #1

The stores table has a column START_DATE of data type DATE, containing the date the row was inserted. You only want to display details of rows where START_DATE is within the last 25 months.
Which where clause can be used?

A. WHERE TO_XUMBER(start_date - SYSDATE) <= 25

B. WHERE ADD_MONTHS<start_date, 25) <= SYSDATE

C. WHERE MON'THS_BETWEEN (SYSDATE, start_date) <= 25

D. WHERE MON'THS_BETWEEN (start_date, SYSDATE) <= 25

Discussion 0

Correct Answer: D Vote an answer

Question #2

Examine this command and some partial output:

Why does the DB01.abc.comservice show unknown status?

A. The listener is not listening on the default port 1521

B. The service DB01.abc.com is statically registered

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

Discussion 0

Correct Answer: E Vote an answer

Question #3

Which three failures require intervention for recovery? (Choose three.)

A. statement failure

B. user process failure

C. a user error such as dropping the wrong table

D. media failure

E. network interface card (NIC) failure

Discussion 0

Correct Answer: B,C,D Vote an answer

Question #4

Examine these commands:

Which two statements are true about the sqlldr execution? (Choose two.)

A. It appends data from EMP.DAT to EMP

B. It uses the database buffer cache to load data

C. It generates a log that contains control file entries, which can be used with normal SQL*Loader operations

D. It overwrites data in EMP with data in EMP.DAT

E. It generates a sql script that it uses to load data from EMP.DAT to EMP

Discussion 0

Correct Answer: B,E Vote an answer

Question #5

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

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

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

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

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

E. GLOBAL TEMPORARY TABLE space allocation occurs at session start.

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

Discussion 0

Correct Answer: B,D,E Vote an answer

Question #6

Examine these commands:

Which two statements are true about the sqiidr execution?

A. It overwrites all data in emp with data from emp.dat.

B. It generates a sqi script that it uses to load data from EMP.DAT TO EMP.

C. It appends data from EMP.DAT TO EMP.

D. It overwrites the data for Alan and adds data for Curl and Bob

E. It generates a log that contains control file entries, which can be used with normal SQL'Loader operations.

Discussion 0

Correct Answer: B,C Vote an answer

Question #7

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

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

B. Table aliases can improve performance

C. The join syntax used makes no difference to performance

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

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

Discussion 0

Correct Answer: B,D Vote an answer

Question #8

Which three instance situations are possible with the Oracle Database server without multi- tenant? (Choose three.)

A. one instance on one server associated with two or more databases on separate servers

B. one instance on one server associated with two or more databases on the same server

C. one instance on one server not associated with any database

D. one instance on one server associated with one database

E. two or more instances on separate servers all associated with one database

Discussion 0

Correct Answer: A,B,C Vote an answer

Question #9

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

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

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

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

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

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

Discussion 0

Correct Answer: B,D Vote an answer

Question #10

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 executes successfully but does not give the required result

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

C. It gives an error because the ALL keyword is not valid

D. It executes successfully and gives the required result

Discussion 0

Correct Answer: D Vote an answer

Question #11

Examine these SQL statements which execute successfully:

Which two statements are true after execution?

A. The foreign key constraint will be enabled and immediate.

B. The foreign key constraint will be enabled and deferred.

C. The primary key constraint will be enabled and deferred.

D. The foreign key constraint will be disabled.

E. The primary key constraint will be enabled and immediate.

Discussion 0

Correct Answer: D Vote an answer

Question #12

Which three statements are true regarding single row subqueries?

A. A SQL statement may have multiple single row subquery blocks.

B. They must be placed on the right side of the comparison operator or condition.

C. They can be used in the where clause.

D. They must return a row to prevent errors in the SQL statement.

E. They must be placed on the left side of the comparison operator or condition.

F. They can be used in the having clause.

Discussion 0

Correct Answer: A,C,F Vote an answer

Question #13

Which three failures do not require intervention for recovery? (Choose three.)

A. transaction failure

B. statement failure

C. user process failure

D. media failure

E. network interface card (NIC) failure

Discussion 0

Correct Answer: A,B,C Vote an answer

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