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Passing the Oracle 1Z1-082 Certification Exam is a great way to validate your expertise and prove to potential employers that you have the skills and knowledge necessary to manage an Oracle database. It is an internationally recognized credential that can improve your career prospects and increase your earning potential significantly. By earning an Oracle Database Administration Certification, you’ll become part of an elite group of Oracle database professionals, gaining access to a vast network of industry leaders, colleagues, and resources.
Passing the Oracle 1Z1-082 exam is an excellent way for database administrators to demonstrate their expertise and advance their careers. By putting in the time and effort to study, prepare, and practice, candidates can gain the knowledge and skills needed to excel in this challenging and rewarding field.
Oracle 1Z0-082 exam is a 2-hour exam that consists of 73 multiple-choice questions. It is a computer-based exam that can be taken at any Pearson VUE testing center worldwide. 1Z0-082 exam is designed to test the candidate's knowledge and understanding of Oracle Database Administration concepts and techniques.
NEW QUESTION # 65
Which three statements are true about Oracle synonyms? (Choose three.)
- A. A synonym can be available to all users
- B. A synonym created by one user can refer to an object belonging to another user
- C. A SEQUENCE can have a synonym
- D. Any user can drop a PUBLIC synonym
- E. A synonym cannot be created for a PL/SQL package
Answer: A,B,C
Explanation:
https://docs.oracle.com/cd/B19306_01/server.102/b14200/statements_7001.htm
NEW QUESTION # 66
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.)
- A. SELECT TO_DATE(SYSDATE, 'DD/MONTH/YYYY') - '01/JANUARY/2019' FROM DUAL;
- B. SELECT TO_CHAR(SYSDATE,'DD-MON-YYYY') - '01-JAN-2019' FROM DUAL;
- C. SELECT ROUND(SYSDATE - TO_DATE('01/JANUARY/2019')) FROM DUAL;
- D. SELECT ROUND(SYSDATE - '01-JAN-2019') FROM DUAL;
- E. SELECT SYSDATE - TO_DATE('01-JANUARY-2019') FROM DUAL;
Answer: C,E
NEW QUESTION # 67
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. Specify a path in the DATAFILE clause of the command specifying a location with at least 100M of available space.
- B. Ensure that DB_RECOVERY_FILE_DEST and DB_CREATE_FILE_DEST each specify with at least 50 Mb 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. Add the AUTOEXTEND ON clause with NEXT set to 100M.
- E. Ensure that DB_CREATE_FILE_DEST specifies a location with at least 100 Mb of available space.
Answer: A,D
NEW QUESTION # 68
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 least recently read undo block of UNDOTBS1 is overwritten by the generated undo.
- B. It succeeds and the generated undo is stored in SYSAUX.
- C. It fails and returns the error message "ORA-30036: unable to extend segment by 8 in undo tablespace 'UNDOTBS1'".
- D. It succeeds and the generated undo is stored in SYSTEM.
- E. It succeeds and the least recently written undo block of UNDOTBS1 is overwritten by the generated undo.
Answer: C
Explanation:
To guarantee the success of long-running queries or Oracle Flashback operations, you can enable retention guarantee. If retention guarantee is enabled, the specified minimum undo retention is guaranteed; the database never overwrites unexpired undo data even if it means that transactions fail due to lack of space in the undo tablespace. If retention guarantee is not enabled, the database can overwrite unexpired undo when space is low, thus lowering the undo retention for the system. This option is disabled by default.
NEW QUESTION # 69
Which two are true about shrinking a segment online? (Choose two.)
- A. It is not possible to shrink either indexes or Index Organized Tables (IOTs)
- B. It always eliminates all migrated rows if any exist in the table
- C. To shrink a table it must have a UNIQUE KEY constraint
- D. To shrink a table it must have row movement enabled
- E. It must be in a tablespace that uses Automatic Segment Space Management (ASSM)
- F. To shrink a table it must have a PRIMARY KEY constraint
Answer: D,F
Explanation:
Explanation/Reference: https://docs.oracle.com/cd/B19306_01/server.102/b14200/statements_3001.htm
NEW QUESTION # 70
Which three files are used by conventional path SQL*Loader when the TABLE option is not specified? (Choose three.)
- A. control files
- B. input files
- C. password files
- D. bad files
- E. dump files
Answer: A,B,D
NEW QUESTION # 71
Examine the description of the members table:
Examine the partial query:
SELECT city, last__name 1NAME FROM members
You want to display all cities that contain the string an. The cities must be returned in ascending order, with the last names further sorted in descending order.
Which two clauses must you add to the query?
- A. WHERE city = =%AN%'
- B. WHERE city IN (*%AN%')
- C. ORDER BY last_narae DESC, city ASC
- D. ORDER BY 1, 2
- E. ORDER BY 1, LNAME DESC
- F. WHERE city LIKE *%AN%*
Answer: E,F
NEW QUESTION # 72
Examine the description of the EMPLOYEES table:
Which query is valid?
- A. SELECT dept_id, join_date, SUM(salary) FROM employees GROUP BY dept_id, join_date;
- B. SELECT dept_id, AVG(MAX(salary)) FROM employees GROUP BY dept_id;
- C. SELECT dept_id, join_date, SUM(salary) FROM employees GROUP BY dept_id;
- D. SELECT dept_id, MAX(AVG(salary)) FROM employees GROUP BY dept_id;
Answer: C
NEW QUESTION # 73
Which two tasks can you perform using DBCA for databases? (Choose two.)
- A. Register a new database with an available Enterprise Manager Management server
- B. Enable flashback database for an existing database
- C. Configure a nonstandard block size for a new database
- D. Change the standard block size of an existing database
- E. Configure incremental backups for a new database
Answer: A,D
Explanation:
Explanation/Reference: https://docs.oracle.com/cd/B16254_01/doc/server.102/b14196/install003.htm
NEW QUESTION # 74
Which two tasks can you perform using DBCA for databases? (Choose two.)
- A. Register a new database with an available Enterprise Manager Management server
- B. Enable flashback database for an existing database
- C. Configure a nonstandard block size for a new database
- D. Change the standard block size of an existing database
- E. Configure incremental backups for a new database
Answer: A,D
Explanation:
https://docs.oracle.com/cd/B16254_01/doc/server.102/b14196/install003.htm
NEW QUESTION # 75
Which three functions are performed by dispatchers in a shared server configuration? (Choose three.)
- A. sending shared server session responses back to requesters on the appropriate connection
- B. writing inbound request to the common request queue from all shared server connections
- C. receiving inbound requests from processes using shared server connections
- D. broadcasting shared server session responses back to requesters on all connections
- E. sending each connection input request to the appropriate shared server input queue
- F. checking for outbound shared server responses on the common outbound response queue
Answer: B,C,E
NEW QUESTION # 76
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. The + binary operator has the highest precedence in an expression in a SQL statement
- E. Multiple parentheses can be used to override the default precedence of operators in an expression
Answer: D,E
Explanation:
https://docs.oracle.com/cd/B19306_01/server.102/b14200/operators001.htm
NEW QUESTION # 77
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 # 78
Your database instance is started with a PFILE.
Examine these parameters:
You want to increase the size of the buffer cache.
Free memory is available to increase the size of the buffer cache.
You execute the command:
SQL> ALTER SYSTEM SET DB_CACHE_SIZE=1024M;
What is the outcome?
- A. Change is applied to the current instance, but does not persist after instance restart
- B. The value is changed for the current instance and in the PFILE
- C. The value is changed only in the PFILE and takes effect at the next instance startup
- D. It fails because the SCOPE clause is missing
Answer: A
Explanation:
Reference:
https://docs.oracle.com/database/121/SQLRF/statements_2017.htm#SQLRF00902
NEW QUESTION # 79
Examine the description of the product_details table:
Which two statements are true?
- A. PRODUCT _price can be used in an arithmetic expression even if it has no value stored in it.
- B. PRODUCT_NAKE cannot contain duplicate values.
- C. PRODUCT _price contains the value zero by default if no value is assigned to it.
- D. EXPIRY_ DATE cannot be used in arithmetic expressions.
- E. EXPIRY_ DATE contains the sysdate by default if no date is assigned to it.
- F. PRODUCT _ic can be assigned the PRIMARY KEY constraint.
Answer: A,F
NEW QUESTION # 80
Which is the default column or columns for sorting output from compound queries using SET operators such as intersect In a SQL statement?
- A. the first varchab2 column in the first select of the compound query
- B. the first column in the last select of the compound query
- C. the first number column in the first select of the compound query
- D. the first number or varchar2 column in the last select of the compound query
- E. the first column in the first select of the compound query
Answer: E
NEW QUESTION # 81
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. Sequence ORD_SEQ is guaranteed not to generate duplicate numbers
- C. 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
- D. Any user inserting rows into table ORD_ITEMS must have been granted access to sequence ORD_SEQ
- E. If sequence ORD_SEQ is dropped then the default value for column ORD_NO will be NULL for rows inserted into ORD_ITEMS
Answer: C,D
NEW QUESTION # 82
In one of your databases, you create a user, HR, and then execute this command:
GRANT CREATE SESSION TO hr WITH ADMIN OPTION;
Which three actions can HR perform? (Choose three.)
- A. Revoke the CREATE SESSION privilege from other users
- B. Revoke the CREATE SESSION privilege from user HR
- C. Grant the CREATE SESSION privilege with ADMIN OPTION to other users
- D. Log in to the database instance
- E. Execute DML statements in the HR schema
- F. Execute DDL statements in the HR schema
Answer: A,C,F
NEW QUESTION # 83
Which three statements are true about GLOBAL TEMPORARY TABLES? (Choose three.)
- A. A DELETE command on a GLOBAL TEMPORARY TABLE cannot be rolled back.
- B. GLOBAL TEMPORARY TABLE rows inserted by a session are available to any other session whose user has been granted select on the table.
- C. Any GLOBAL TEMPORARY TABLE rows existing at session termination will be deleted.
- D. GLOBAL TEMPORARY TABLE space allocation occurs at session start.
- E. A GLOBAL TEMPORARY TABLE'S definition is available to multiple sessions.
- F. A TRUNCATE command issued in a session causes all rows in a GLOBAL TEMPORARY TABLE for the issuing session to be deleted.
Answer: C,E,F
Explanation:
https://docs.oracle.com/javadb/10.8.3.0/ref/rrefdeclaretemptable.html
NEW QUESTION # 84
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. It terminates
- B. It is paused and can be resumed
- C. You can reattach to it and monitor it
- D. You can no longer monitor it
- E. It continues to run in the background
Answer: B,C
NEW QUESTION # 85
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 resolve to a valid connect descriptor in the server's tnsnames.ora file
- B. It must be the name of the database to whose instance HR wishes to connect
- C. It must be the name of the server running the database to whose instance HR wishes to connect
- D. It must be the value of the SERVICE_NAMES parameter on the client side
- E. It must resolve to a valid connect descriptor in the client's tnsnames.ora file
Answer: C
NEW QUESTION # 86
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