Pass Oracle Database 19c 1Z0-082 exam [Mar 23, 2022] Updated 118 Questions
Oracle 1Z0-082 Actual Questions and 100% Cover Real Exam Questions
NEW QUESTION 11
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 is paused and can be resumed
- B. It continues to run in the background
- C. It terminates
- D. You can reattach to it and monitor it
- E. You can no longer monitor it
Answer: C,E
Explanation:
https://blog.oracle48.nl/killing-and-resuming-datapump-expdp-and-impdp-jobs/
NEW QUESTION 12
Which two statements are true about the PMON background process? (Choose two.)
- A. It records checkpoint information in the control file
- B. It frees unused temporary segments
- C. It registers database services with all local and remote listeners known to the database instance
- D. It kills sessions that exceed idle time
- E. It frees resources held by abnormally terminated processes
Answer: D,E
Explanation:
Reference:
https://docs.oracle.com/cd/B19306_01/server.102/b14220/process.htm
* 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 13
In the SALES database, DEFERRED_SEGMENT_CREATION is TRUE.
Examine this command:
SQL> CREATE TABLE T1(c1 INT PRIMARY KEY, c2 CLOB);
Which segment or segments, if any, are created as a result of executing the command?
- A. no segments are created
- B. T1, an index segment for the primary key, and a LOB segment only
- C. T1 only
- D. T1, an index segment for the primary key, a LOB segment, and a lobindex segment
- E. T1 and an index segment created for the primary key only
Answer: A
NEW QUESTION 14
In the spfile of a single instance database, LOCAL_LISTENER is set to LISTENER_1.
The TNSNAMES.ORA file in $ORACLE_HOME/network/admin in the database home contains:
Which statement is true?
- A. Dynamic service registration cannot be used for this database instance
- B. The LREG process registers services dynamically with the LISTENER_1 listener
- C. There are two listeners named LISTENER and LISTENER_1 running simultaneously using port 1521 on the same host as the database instances
- D. The definition for LISTENER_1 requires a CONNECT_DATA section to enable dynamic service registration
- E. LISTENER_1 must also be defined in the LISTENER.ORA file to enable dynamic service registration
Answer: B
Explanation:
The listener forwards client requests to supported services. These services are dynamically registered with the listener. This dynamic registration feature is called service registration. The registration is performed by the Listener Registration (LREG) process. Dynamic service registration does not require any manual configuration in the listener.ora file.
Reference:
https://docs.oracle.com/database/121/NETAG/listenercfg.htm#NETAG292
https://docs.oracle.com/database/121/NETAG/listenercfg.htm#NETAG292
NEW QUESTION 15
Which four statements are true regarding primary and foreign key constraints and the effect they can have on table data? (Choose four.)
- A. Primary key and foreign key constraints can be defined at both the column and table level
- B. A table can have only one primary key but multiple foreign keys
- C. The foreign key columns and parent table primary key columns must have the same names
- D. 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
- E. Only the primary key can be defined at the column and table level
- F. A table can have only one primary key and one foreign key
- G. 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
Answer: A,B,C,G
NEW QUESTION 16
Which three Oracle database space management features will work with both Dictionary and Locally managed tablespaces? (Choose three.)
- A. Online table segment shrink
- B. Oracle Managed Files (OMF)
- C. Capacity planning growth reports based on historical data in the Automatic Workload Repository (AWR)
- D. Automatic data file extension (AUTOEXTEND)
- E. Online index segment shrink
Answer: B,C,D
NEW QUESTION 17
Which two are true about shrinking a segment online? (Choose two.)
- A. To shrink a table it must have row movement enabled
- B. It must be in a tablespace that uses Automatic Segment Space Management (ASSM)
- C. To shrink a table it must have a UNIQUE KEY constraint
- D. It is not possible to shrink either indexes or Index Organized Tables (IOTs)
- E. It always eliminates all migrated rows if any exist in the table
- F. To shrink a table it must have a PRIMARY KEY constraint
Answer: A,F
Explanation:
https://docs.oracle.com/cd/B19306_01/server.102/b14200/statements_3001.htm
NEW QUESTION 18
Which three statements are true about Oracle synonyms? (Choose three.)
- A. Any user can drop a PUBLIC synonym
- B. A synonym cannot be created for a PL/SQL package
- C. A synonym created by one user can refer to an object belonging to another user
- D. A SEQUENCE can have a synonym
- E. A synonym can be available to all users
Answer: C,D,E
Explanation:
Reference:
https://docs.oracle.com/cd/B19306_01/server.102/b14200/statements_7001.htm
NEW QUESTION 19
Examine this command and some partial output:
Why does the DB01.abc.com service show unknown status?
- A. The LOCAL_LISTENER database parameter is not set to a service name that refers to LISTENER_1
- B. The listener is not listening on the default port 1521
- C. The service DB01.abc.com is statically registered
- D. The SID_LIST_LISTENER section is not contained in the LISTENER.ORA file
- E. The service DB01.abc.com is dynamically registered
Answer: A
NEW QUESTION 20
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. A TRUNCATE command issued in a session causes all rows in a GLOBAL TEMPORARY TABLE for the issuing session to be deleted.
- E. GLOBAL TEMPORARY TABLE space allocation occurs at session start.
- F. A GLOBAL TEMPORARY TABLE'S definition is available to multiple sessions.
Answer: A,B,E
NEW QUESTION 21
Which four account management capabilities can be configured using Oracle profiles? (Choose four.)
- A. the maximum amount of CPU time allowed for a user's sessions before their account is locked
- B. the number of hours for which an account is locked after the configured number of login attempts has been reached
- C. the number of days for which an account is locked after the configured number of login attempts has been reached
- D. the ability to prevent a password from ever being reused
- E. the number of days for which an account may be inactive before it is locked
- F. the number of password changes required within a period of time before a password can be reused
- G. the maximum number of sessions permitted for a user before the account is locked
Answer: B,C,D,F
NEW QUESTION 22
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. INTERSECT
- B. UNION ALL
- C. MINUS
- D. UNION
- E. SUBTRACT
Answer: C
NEW QUESTION 23
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 ROUND(SYSDATE - '01-JAN-2019') FROM DUAL;
- B. SELECT TO_DATE(SYSDATE, 'DD/MONTH/YYYY') - '01/JANUARY/2019' FROM DUAL;
- C. SELECT SYSDATE - TO_DATE('01-JANUARY-2019') FROM DUAL;
- D. SELECT TO_CHAR(SYSDATE, 'DD-MON-YYYY') - '01-JAN-2019' FROM DUAL;
- E. SELECT ROUND(SYSDATE - TO_DATE('01/JANUARY/2019')) FROM DUAL;
Answer: A,D
NEW QUESTION 24
The INVOICE table has a QTY_SOLD column of data type NUMBER and an INVOICE_DATE column of data type DATE.
NLS_DATE_FORMAT is set to DD-MON-RR.
Which two are true about data type conversions involving these columns in query expressions?
(Choose two.)
- A. invoie_date > '01-02-2019' : uses implicit conversion
- B. invoice_date = '15-march-2019' : uses implicit conversion
- C. CONCAT (qty_sold, invoice_date) : requires explicit conversion
- D. qty_sold BETWEEN `101' AND '110' : uses implicit conversion
- E. qty_sold = `0554982' uses implicit conversion
Answer: B,D
NEW QUESTION 25
Which two tasks can you perform using DBCA for databases? (Choose two.)
- A. Configure incremental backups for a new database
- B. Configure a nonstandard block size for a new database
- C. Register a new database with an available Enterprise Manager Management server
- D. Change the standard block size of an existing database
- E. Enable flashback database for an existing database
Answer: B,C
Explanation:
Reference:
https://docs.oracle.com/cd/B16254_01/doc/server.102/b14196/install003.htm
NEW QUESTION 26
Evaluate these commands which execute successfully:
Which two statements are true about the ORD_ITEMS table and the ORD_SEQ sequence?
(Choose two.)
- A. 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
- B. Sequence ORD_SEQ cycles back to 1 after every 5000 numbers and can cycle 20 times
- C. If sequence ORD_SEQ is dropped then the default value for column ORD_NO will be NULL for rows inserted into ORD_ITEMS
- D. Any user inserting rows into table ORD_ITEMS must have been granted access to sequence ORD_SEQ
- E. Sequence ORD_SEQ is guaranteed not to generate duplicate numbers
Answer: D,E
NEW QUESTION 27
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