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Oracle 1Z0-082 (Oracle Database Administration I) Certification Exam is a highly sought-after certification for professionals who want to validate their skills in Oracle database administration. 1Z0-082 exam is designed to test the fundamental knowledge of candidates in the areas of installing, configuring, and maintaining Oracle databases. It is an entry-level exam that covers the basics of Oracle database administration.
NEW QUESTION # 83
The EMPLOYEES table contains columns EMP_ID of data type NUMBER and HIRE_DATE of data type DATE.
You want to display the date of the first Monday after the completion of six months since hiring.
The NLS_TERRITORY parameter is set to AMERICA in the session and, therefore, Sunday is the first day on the week.
Which query can be used?
- A. SELECT emp_id, ADD_MONTHS(hire_date, 6), NEXT_DAY('MONDAY') FROM employees;
- B. SELECT emp_id, NEXT_DAY(MONTHS_BETWEEN(hire_date, SYSDATE), 6) FROM employees;
- C. SELECT emp_id, NEXT_DAY(ADD_MONTHS(hire_date, 6), 'MONDAY') FROM employees;
- D. SELECT emp_id, NEXT_DAY(ADD_MONTHS(hire_date, 6), 1) FROM employees;
Answer: C
NEW QUESTION # 84
Which three activities are recorded in the database alert log? (Choose three.)
- A. Data Definition Language (DDL) statements
- B. non-default database parameters
- C. session logins and logouts
- D. block corruption errors
- E. deadlock errors
Answer: B,D,E
Explanation:
https://docs.oracle.com/cd/B28359_01/server.111/b28310/monitoring001.htm#ADMIN11247
NEW QUESTION # 85
Which two are true about a SQL statement using SET operators such as UNION? (Choose two.)
- A. 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.
- B. 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.
- C. 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.
- D. The number, but not names, of columns must be identical for all SELECT statements in the query.
- E. The names and number of columns must be identical for all SELECT statements in the query.
Answer: B,C
NEW QUESTION # 86
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 connect string to have two or more listener addresses configured
- B. Load Balancing requires the use of a name server
- C. Connect Time Failover requires the use of Transparent Application Failover (TAF)
- D. Source Routing requires the use of a name server
- 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: A,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 # 87
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: C,E
NEW QUESTION # 88
Which two statements are true about views used for viewing tablespace and datafile information? (Choose two.)
- A. V$TABLESPACE displays information about tablespaces contained in the data dictionary
- B. Tablespace free space can be viewed in V$TABLESPACE
- C. V$TABLESPACE displays information that is contained in the controlfile about tablespaces
- D. Tablespace free space can be viewed in DBA_TABLESPACES
- E. 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
Answer: C,E
NEW QUESTION # 89
Which two statements are true about the PMON background process? (Choose two.)
- A. It registers database services with all local and remote listeners known to the database instance
- B. It kills sessions that exceed idle time
- C. It records checkpoint information in the control file
- D. It frees resources held by abnormally terminated processes
- E. It frees unused temporary segments
Answer: B,D
Explanation:
Reference:
* Performs process recovery when a user process fails - Cleans up the database buffer cache - Frees resources that are used by the user process * Monitors sessions for idle session timeout
NEW QUESTION # 90
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:
2017-03-06T12:15:17.183438+05:30
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. Grant UNLIMITED TABLESPACE to U1
- B. Drop other U1 objects in DATA
- C. Increase U1's quota sufficiently in DATA
- D. Add a data file to DATA
- E. Set DEFERRED_SEGMENT_CREATION to TRUE
- F. Set AUTOEXTEND ON for data files in DATA
Answer: C,E,F
NEW QUESTION # 91
The EMPLOYEES table contains columns EMP_ID of data type NUMBER and HIRE_DATE of data type DATE.
You want to display the date of the first Monday after the completion of six months since hiring.
The NLS_TERRITORY parameter is set to AMERICA in the session and, therefore, Sunday is the first day on the wee.
Which query can be used?
- A. SELECT emp_id, ADD_MONTHS(hire_date, 6), NEXT_DAY('MONDAY') FROM employees;
- B. SELECT emp_id, NEXT_DAY(MONTHS_BETWEEN(hire_date, SYSDATE), 6) FROM employees;
- C. SELECT emp_id, NEXT_DAY(ADD_MONTHS(hire_date, 6), 'MONDAY') FROM employees;
- D. SELECT emp_id, NEXT_DAY(ADD_MONTHS(hire_date, 6), 1) FROM employees;
Answer: C
NEW QUESTION # 92
Examine this description of the TRANSACTIONS table:
Which two SQL statements execute successfully? (Choose two.)
SELECT customer_id AS "CUSTOMER-ID", transaction_date AS DATE, amount + 100
- A. 100 "DUES AMOUNT" FROM transactions;
SELECT customer_id CUSTID, transaction_date TRANS_DATE, amount + 100 DUES FROM - B. "DUES" FROM transactions;
SELECT customer_id AS "CUSTOMER-ID", transaction_date AS "DATE", amount + 100 - C. 'DUES AMOUNT' FROM transactions;
- D. transactions;
SELECT customer_id AS 'CUSTOMER-ID', transaction_date AS DATE, amount + 100 - E. DUES FROM transactions;
SELECT customer_id AS CUSTOMER-ID, transaction_date AS TRANS_DATE, amount +
Answer: D,E
NEW QUESTION # 93
Which four statements are true regarding primary and foreign key constraints and the effect they can have on table data? (Choose four.)
- A. A table can have only one primary key and foreign key
- B. Only the primary key can be defined at the column and table level
- C. A table can have only one primary key but multiple foreign keys
- D. It is possible for child rows that have a foreign key to be deleted automatically from the child table at the time the parent row is deleted
- E. The foreign key columns and parent table primary key columns must have the same names
- F. It is possible for child rows that have a foreign key to remain in the child table at the time the parent row is deleted
- G. Primary key and foreign key constraints can be defined at both the column and table level
Answer: C,D,E,G
NEW QUESTION # 94
An Oracle database session has an uncommitted transaction in progress which updated 5000 rows in a table.
Which three situations does the transaction complete thereby committing the updates?
- A. when the session logs out successfully
- B. when a CREATE INDEX statement is executed successfully in the same session
- C. when a COMMIT statement is issued by the same user from another session in the same database instance
- D. when a DBA issues a successful SHUTDOWN IMMEDIATE statement and the user then issues a COMMIT
- E. when a DBA issues a successful SHUTDOWN TRANSACTIONAL statement and the user then issues a COMMIT
- F. when a CREATE TABLE AS SELECT statement is executed unsuccessfully in the same session
Answer: A,B,E
NEW QUESTION # 95
Which two statements are true about UNDO and REDO? (Choose two.)
- A. The generation of UNDO generates REDO
- B. DML modifies Oracle database objects and only generates REDO
- C. The generation of REDO generates UNDO
- D. DML modifies Oracle database objects and only generates UNDO
- E. DML modifies Oracle database objects and generates UNDO and REDO
Answer: A,E
Explanation:
https://www.experts-exchange.com/articles/13880/UNDO-AND-REDO-IN-ORACLE.html
NEW QUESTION # 96
Which three statements are true about undo segments and the use of undo by transactions in an Oracle database instance? (Choose three.)
- A. Undo segments can wrap around to the first extent when a transaction fills the last extend of the undo segment
- B. Undo segments must be stored in a BIGFILE tablespace
- C. Undo segments must be stored in a SMALLFILE tablespace
- D. Undo segments can extend when a transaction fills the last extent of the undo segment
- E. Undo segments have a minimum of three extents
- F. An undo segment may be used by multiple transactions simultaneously
- G. A single transaction may use multiple undo segments simultaneously
Answer: C,D,F
NEW QUESTION # 97
Examine this command and some partial output:
Why does the DB01.abc.comservice show unknown status?
- A. The SID_LIST_LISTENER section is not contained in the LISTENER.ORA file
- B. The service DB01.abc.com is dynamically registered
- C. The listener is not listening on the default port 1521
- D. The service DB01.abc.com is statically registered
- E. The LOCAL_LISTENER database parameter is not set to a service name that refers to LISTENER_1
Answer: E
NEW QUESTION # 98
While one of your databases was in mount state, the datafiles were renamed because they had been moved to a new file system. The database was then opened.
Which two statements are true?
- A. DBA_DATA_FILES displays the original name for the data files.
- B. V$DATAFILE displays the new names for the data files.
- C. DBA_DATA_FILES displays the new name for the data files.
- D. DBA_DATA_FILES must be resynchronized manually with the control file an order to have it display the new file names.
- E. DBA_DATA _FILES displays both the new name and the old name for the data files.
Answer: A,E
NEW QUESTION # 99
Examine this description of the TRANSACTIONS table:
Which two SQL statements execute successfully? (Choose two.)
SELECT customer_id AS "CUSTOMER-ID", transaction_date AS DATE, amount + 100
- A. 100 "DUES AMOUNT" FROM transactions;
SELECT customer_id CUSTID, transaction_date TRANS_DATE, amount + 100 DUES FROM - B. "DUES" FROM transactions;
SELECT customer_id AS "CUSTOMER-ID", transaction_date AS "DATE", amount + 100 - C. 'DUES AMOUNT' FROM transactions;
- D. transactions;
SELECT customer_id AS 'CUSTOMER-ID', transaction_date AS DATE, amount + 100 - E. DUES FROM transactions;
SELECT customer_id AS CUSTOMER-ID, transaction_date AS TRANS_DATE, amount +
Answer: D,E
NEW QUESTION # 100
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. Specify a path in the DATAFILE clause of the command specifying a location with at least 100M of available space.
- C. Ensure that DB_RECOVERY_FILE_DEST and DB_CREATE_FILE_DEST each specify locations with at least 50 Mb of available space.
- D. Ensure that DB_RECOVERY_FILE_DEST and DB_CREATE_FILE_DEST each specify with at least 50 Mb of available space.
- E. Add the AUTOEXTEND ON clause with NEXT set to 100M.
Answer: B,E
NEW QUESTION # 101
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 BOSTON_DB and SYS in DALLAS_DB
- C. as SCOTT in BOSTON_DB
- D. as SYS in both the databases
- E. as SCOTT in both the databases
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 # 102
Which two tasks can you perform using DBCA for databases? (Choose two.)
- A. Enable flashback database for an existing database
- B. Configure a nonstandard block size for a new database
- C. Register a new database with an available Enterprise Manager Management server
- D. Configure incremental backups for a new database
- E. Change the standard block size of an existing database
Answer: C,E
NEW QUESTION # 103
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 BOSTON_DB and SYS in DALLAS_DB
- C. as SYS in both the databases
- D. as SCOTT in both the databases
- E. as SCOTT in BOSTON_DB
Answer: C
NEW QUESTION # 104
Which three statements are true about data block storage in an Oracle Database?
- A. Row data is stored starting at the end of the block.
- B. A table block must always contain row data.
- C. An index block can contain row data.
- D. A data block header is of a fixed length.
- E. A block header contains a row directory pointing to all rows in the block.
Answer: D,E
NEW QUESTION # 105
You want to use table compression suitable for OLTP that will:
1. Compress rows for all DML statements on that table
2. Minimize the overheads associated with compression
Which compression option is best suited for this?
- A. COLUMN STORE COMPRESS FOR ARCHIVE LOW
- B. COLUMN STORE COMPRESS FOR QUERY LOW
- C. ROW STORE COMPRESS ADVANCED
- D. ROW STORE COMPRESS BASIC
- E. COLUMN STORE COMPRESS FOR ARCHIVE HIGH
Answer: C
Explanation:
Explanation/Reference: https://www.oracle.com/technetwork/database/options/compression/advanced-compression-wp-
12c-1896128.pdf
NEW QUESTION # 106
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Oracle 1Z0-082 exam tests the candidate's knowledge of database administration concepts, including creating and managing databases, managing tablespaces, datafiles, and control files, and configuring database parameters. 1Z0-082 exam also covers backup and recovery concepts, including backup and recovery strategies, using RMAN, and managing backups and archives. Additionally, the exam tests the candidate's knowledge of performance tuning concepts, including using automatic performance management tools and diagnosing and resolving performance problems.
Updated Oracle Study Guide 1Z0-082 Dumps Questions: https://www.free4torrent.com/1Z0-082-braindumps-torrent.html
Dumps Questions [2023] Pass for 1Z0-082 Exam: https://drive.google.com/open?id=148UEil3Yj0XaX7wT1nID698Yq0BuKejc