[Dec 12, 2023] Ultimate 1Z0-082 Guide to Prepare Free Latest Oracle Practice Tests Dumps
Get Top-Rated Oracle 1Z0-082 Exam Dumps Now
Oracle 1Z0-082 exam covers a range of topics related to database administration, including database architecture, backup and recovery, security, performance tuning, and database maintenance. 1Z0-082 exam consists of 73 multiple-choice questions that need to be completed within 105 minutes. Candidates need to score at least 63% to pass the exam.
Oracle 1Z0-082 (Oracle Database Administration I) Exam is designed for professionals who are seeking to validate their skills and knowledge in database administration. 1Z0-082 exam is specifically created to test the candidates' knowledge of Oracle Database infrastructure, concepts, and tools. Passing the exam is a great way to demonstrate your proficiency in database management to current and future employers.
NEW QUESTION # 16
Which three statements are true about table data storage in an Oracle Database? (Choose three.)
- A. Data block headers contain their own Data Block Address (DBA)
- B. Data block free space is always contiguous in the middle of the block
- C. Index block free space is always contiguous in the middle of the block
- D. Multiple row pieces from the same row may be stored in different database blocks
- E. Multiple row pieces from the same row may be stored in the same block
- F. A table row piece can be chained across several database blocks
Answer: B,D,F
NEW QUESTION # 17
Examine the description of the CUSTOMERS table:
You want to display details of all customers who reside in cities starting with the letter D followed by at least two characters.
Which query can be used?
- A. SELECT * FROM customers WHERE city = '%D_';
- B. SELECT * FROM customers WHERE city LIKE 'D_';
- C. SELECT * FROM customers WHERE city = 'D_%';
- D. SELECT * FROM customers WHERE city LIKE 'D_%';
Answer: D
NEW QUESTION # 18
Examine the description of the SALES1 table:
SALES2 is a table with the same description as SALES1.
Some sales data is duplicated in both tables.
You want to display the rows from the SALES1 table which are not present in the SALES2 table.
Which set operator generates the required output?
- A. SUBTRACT
- B. INTERSECT
- C. UNION
- D. MINUS
- E. UNION ALL
Answer: D
NEW QUESTION # 19
Which two statements are true about the DUAL table? (Choose two.)
- A. It can be accessed only by the SYS user
- B. It can display multiple rows but only a single column
- C. It can display multiple rows and columns
- D. It can be used to display only constants or pseudo columns
- E. It can be accessed by any user who has the SELECT privilege in any schema
- F. It consists of a single row and single column of VARCHAR2 data type
Answer: A,F
Explanation:
https://en.wikipedia.org/wiki/DUAL_table
NEW QUESTION # 20
View the Exhibit and examine the structure of the PRODUCTS table.
Which two tasks require subqueries? (Choose two.)
- A. Display suppliers whose PROD_LIST_PRICE is less than 1000
- B. Display the number of products whose PROD_LIST_PRICE is more than the average PROD_LIST_PRICE
- C. Display products whose PROD_MIN_PRICE is more than the average PROD_LIST_PRICE of all products, and whose status is orderable
- D. Display the total number of products supplied by supplier 102 which have a product status of obsolete
- E. Display the minimum PROD_LIST_PRICE for each product status
Answer: B,C
NEW QUESTION # 21
Evaluate these commands which execute successfully:
Which two statements are true about the ORD_ITEMS table and the ORD_SEQ sequence? (Choose two.)
- A. Sequence ORD_SEQ cycles back to 1 after every 5000 numbers and can cycle 20 times
- 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. Sequence ORD_SEQ is guaranteed not to generate duplicate numbers
- D. If sequence ORD_SEQ is dropped then the default value for column ORD_NO will be NULL for rows inserted into ORD_ITEMS
- E. Any user inserting rows into table ORD_ITEMS must have been granted access to sequence ORD_SEQ
Answer: C,E
NEW QUESTION # 22
You execute this command:
During the export operation, you detach from the job by using CTRL+C and then execute this command:
Export> STOP_JOB=immediate
Are you sure you wish to stop the job ([yes]/no): yes
Which two statements are true about the job? (Choose two.)
- A. You can no longer monitor it
- B. It continues to run in the background
- C. It terminates
- D. It is paused and can be resumed
- E. You can reattach to it and monitor it
Answer: A,C
Explanation:
Explanation/Reference: https://blog.oracle48.nl/killing-and-resuming-datapump-expdp-and-impdp-jobs/
NEW QUESTION # 23
Which two statements are true about the rules of precedence for operators? (Choose two.)
- A. NULLS influence the precedence of operators in an expression
- B. Arithmetic operators with equal precedence are evaluated from left to right within an expression
- C. The concatenation operator | | is always evaluated before addition and subtraction in an expression
- D. Multiple parentheses can be used to override the default precedence of operators in an expression
- E. The + binary operator has the highest precedence in an expression in a SQL statement
Answer: D,E
NEW QUESTION # 24
Which three statements are true about advanced connection options supported by Oracle Net for connection to Oracle Database instances? (Choose three.)
- A. Load Balancing requires the use of a name server
- B. Source Routing requires the use of a name server
- C. Connect Time Failover requires the connect string to have two or more listener addresses configured
- D. Connect Time Failover requires the use of Transparent Application Failover (TAF)
- E. Source Routing enables the use of Connection Manager (CMAN) which enables network traffic to be routed through a firewall
- F. Load Balancing can balance the number of connections to dispatchers when using a Shared Server configuration
Answer: B,C,E
NEW QUESTION # 25
In one of your databases, the user HR has the password HRMGR.
You want to connect to a database instance whose listener listens on port 1531 by using this statement:
CONNECT HR/HRMGR@orcl
No name server is used.
Which statement is true about ORCL?
- A. It must be the name of the database to whose instance HR wishes to connect
- B. It must resolve to a valid connect descriptor in the client's tnsnames.ora file
- C. It must be the name of the server running the database to whose instance HR wishes to connect
- D. It must resolve to a valid connect descriptor in the server's tnsnames.ora file
- E. It must be the value of the SERVICE_NAMES parameter on the client side
Answer: B
NEW QUESTION # 26
Your database instance was shut down normally and then started in NOMOUNT state. You then execute this command:
ALTER DATABASE MOUNT;
Which two actions are performed? (Choose two.)
- A. The Oracle background processes are started
- B. The alert log records the execution details
- C. The online redo logs are opened
- D. The online data files are opened
- E. The control file is read
- F. The initialization parameter file is read
Answer: B,E
Explanation:
http://facedba.blogspot.com/2014/07/oracle-database-startup-stages-and.html
NEW QUESTION # 27
The ORCL database has RESUMABLE__TIMEOUT = 7200 and DEFERRED_SEGMENT_CREATION = FALSE User U1 has a 1 MB quota in tablespace DATA.
U1 executes this command:
SQL> CREATE TABLE t1 AS
(SELECT object_name, sharing, created
FROM dba_objects);
U1 complains that the command is taking too long to execute.
In the alert log, the database administrator (DBA) finds this:
2017/3/6 14:45:17
statement in resumable session 'User U1(136), Session 1, Instance 1' was suspended due to ORA-01536: space quota exceeded for tablespace 'DATA' Which are three actions any one of which the DBA could take to resume the session? (Choose three.)
- A. Set AUTOEXTEND ON for data files in DATA
- B. Increase U1's quota sufficiently in DATA
- C. Add a data file to DATA
- D. Drop other U1 objects in DATA
- E. Grant UNLIMITED TABLESPACE to U1
- F. Set DEFERRED_SEGMENT_CREATION to TRUE
Answer: A,B,F
NEW QUESTION # 28
What is true about non-equijoin statement performance? (Choose two.)
- A. The join syntax used makes no difference to performance
- B. The BETWEEN condition always performs less well than using the >= and <= conditions
- C. The Oracle join syntax performs better than the SQL:1999 compliant ANSI join syntax
- D. The BETWEEN condition always performs better than using the >= and <= conditions
- E. Table aliases can improve performance
Answer: C,E
Explanation:
https://stackoverflow.com/questions/58476906/1z0-071-oracle-exam-question-which-answers-is-correc
NEW QUESTION # 29
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. Employees 100 and 200 will have the same SALARY as before the update command
- B. Employee 100 will have SALARY set to the same value as the SALARY of employee 200
- C. Employee 200 will have JOB_ID set to the same value as the JOB_ID of employee 100
- D. Employee 100 will have JOB_ID set to the same value as the JOB_ID of employee 200
- E. Employees 100 and 200 will have the same JOB_ID as before the update command
- F. Employee 200 will have SALARY set to the same value as the SALARY of employee 100
Answer: B,C
NEW QUESTION # 30
Which three statements are true about time zones, date data types, and timestamp data types in an Oracle database? (Choose three.)
- A. A TIMESTAMP data type column contains information about year, month, and day
- B. The CURRENT_TIMESTAMP function returns data without time zone information
- C. A TIMESTAMP WITH LOCAL TIMEZONE data type column is stored in the database using the time zone of the session that inserted the row
- D. The SESSIONTIMEZONE function can return an offset from Universal Coordinated Time (UTC)
- E. The DBTIMEZONE function can return an offset from Universal Coordinated Time (UTC)
Answer: C,D,E
NEW QUESTION # 31
Which two are true about a SQL statement using SET operators such as UNION? (Choose two.)
- A. 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.
- B. The names and number of columns must be identical for all SELECT statements in the query.
- C. 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.
- D. The number, but not names, of columns must be identical for all SELECT statements in the query.
- E. 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.
Answer: A,E
NEW QUESTION # 32
Which two statements are true about the Automatic Diagnostic Repository (ADR)? (Choose two.)
- A. It supports diagnostics for Automatic Storage Management (ASM)
- B. The ADR base defaults to $ORACLE_HOME/dbs if the DIAGNOSTIC_DEST parameter and the ORACLE_BASE environment variable are not set
- C. The ADR base defaults to $ORACLE_HOME/rdbms/admin ifneither DIAGNOSTIC_DEST nor ORACLE_BASE is set
- D. It supports diagnostics for Oracle Clusterware
- E. It is held inside an Oracle database schema
Answer: C,E
NEW QUESTION # 33
The orders table has a column ORDER_DATE of data type date.
The default display format for a date Is DD-MON-RR.
Which two where conditions demonstrate the correct usage of conversion functions?
- A. WHERE TO_CHAR(order_date, 'MON DD YYYY') = 'JAN 20 2019'
- B. WHERE order_date > TO_CHAR(ADD_MONTHS(SYSDATE, 6), 'MON DD YYYY')
- C. WHERE order date > TO DATE('JUL 10 2018', *MON DD YYYY')
- D. WHERE order_date > TO_DATE<ADD_MONTHS(SYSDATE, c) , 'MON DD YYYY')
- E. WHERE order_date IN (TO_DATE ('Oct 21 2018', 'Mon DD YYYY'), TC_CHAR('Nov 21 2018', 'Mon DD YYYY'))
Answer: A,C
NEW QUESTION # 34
Examine the description of the BOOKS table:
The table has 100 rows.
Examine this sequence of statements issued in a new session:
INSERT INTO books VALUES ('ADV112', 'Adventures of Tom Sawyer', NULL, NULL); SAVEPOINT a; DELETE FROM books; ROLLBACK TO SAVEPOINT a; ROLLBACK; Which two statements are true? (Choose two.)
- A. The second ROLLBACK command undoes the insert
- B. The second ROLLBACK command replays the delete
- C. The first ROLLBACK command restores the 101 rows that were deleted, leaving the inserted row still to be committed
- D. The first ROLLBACK command restores the 101 rows that were deleted and commits the inserted row
- E. The second ROLLBACK command does nothing
Answer: A,D
NEW QUESTION # 35
Which three are types of segments in an Oracle Database? (Choose three.)
- A. undo
- B. tables
- C. sequences
- D. clusters
- E. index
- F. stored procedures
Answer: B,D,E
NEW QUESTION # 36
The SCOTT/TIGER user exists in two databases, BOSTON_DB and DALLAS_DB, in two different locations.
Each database has a tnsnames.ora file defining DALLAS_DB as a service name.
Examine this command:
CREATE DATABASE LINK dblink1 CONNECT TO scott IDENTIFIED BY tiger USING 'dallas_db'; How do you execute the command so that only SCOTT in BOSTON_DB can access the SCOTT schema in DALLAS_DB?
- A. as SCOTT in DALLAS_DB
- B. as SCOTT in both the databases
- C. as SCOTT in BOSTON_DB
- D. as SYS in both the databases
- E. as SCOTT in BOSTON_DB and SYS in DALLAS_DB
Answer: C
Explanation:
https://docs.oracle.com/cd/B28359_01/server.111/b28310/ds_concepts002.htm#ADMIN12085 Database links are either private or public. If they are private, then only the user who created the link has access; if they are public, then all database users have access.
https://docs.oracle.com/database/121/SQLRF/statements_5006.htm#SQLRF01205
NEW QUESTION # 37
......
Passing Key To Getting 1Z0-082 Certified Exam Engine PDF: https://www.practicevce.com/Oracle/1Z0-082-practice-exam-dumps.html
1Z0-082 Exam Dumps Pass with Updated Tests Dumps: https://drive.google.com/open?id=1pCkNM_QjtoeTYQNRGFWIqXkEgK5RpVbA