Latest [Jan 13, 2022] Real Oracle 1Z0-082 Exam Dumps Questions
1Z0-082 Dumps To Pass Oracle Database 19c Exam in One Day (Updated 118 Questions)
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NEW QUESTION 29
Which three statements are true about GLOBAL TEMPORARY TABLES? (Choose three.)
- A. GLOBAL TEMPORARY TABLE space allocation occurs at session start.
- 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. A TRUNCATE command issued in a session causes all rows in a GLOBAL TEMPORARY TABLE for the issuing session to be deleted.
- D. Any GLOBAL TEMPORARY TABLE rows existing at session termination will be deleted.
- E. A DELETE command on a GLOBAL TEMPORARY TABLE cannot be rolled back.
- F. A GLOBAL TEMPORARY TABLE'S definition is available to multiple sessions.
Answer: C,D,F
Explanation:
https://docs.oracle.com/javadb/10.8.3.0/ref/rrefdeclaretemptable.html
NEW QUESTION 30
Which two tasks can you perform using DBCA for databases? (Choose two.)
- A. Configure incremental backups for a new database
- B. Enable flashback database for an existing database
- C. Configure a nonstandard block size for a new database
- D. Register a new database with an available Enterprise Manager Management server
- E. Change the standard block size of an existing database
Answer: D,E
NEW QUESTION 31
Examine these commands:
Which two statements are true about the sqlldr execution? (Choose two.)
- A. It generates a log that contains control file entries, which can be used with normal SQL*Loader operations
- B. It uses the database buffer cache to load data
- C. It generates a sql script that it uses to load data from EMP.DAT to EMP
- D. It overwrites data in EMP with data in EMP.DAT
- E. It appends data from EMP.DAT to EMP
Answer: B,C
NEW QUESTION 32
Examine the description of the CUSTOMERS table:
For customers whose income level has a value, you want to display the first name and due amount as 5% of their credit limit. Customers whose due amount is null should not be displayed.
Which query should be used?
- A. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNT
FROM customers
WHERE cust_income_level IS NOT NULL
AND cust_credit_limit IS NOT NULL; - B. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNT
FROM customers
WHERE cust_income_level IS NOT NULL
AND due_amount IS NOT NULL; - C. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNT
FROM customers
WHERE cust_income_level <> NULL
AND due_amount <> NULL; - D. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNT
FROM customers
WHERE cust_income_level != NULL
AND cust_credit_level !=NULL; - E. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNT
FROM customers
WHERE cust_income_level != NULL
AND due_amount != NULL;
Answer: A
NEW QUESTION 33
Which two statements are true regarding the UNION and UNION ALL operators? (Choose two.)
- A. The output is sorted by the UNION ALL operator
- B. NULLS are not ignored during duplicate checking
- C. Duplicates are eliminated automatically by the UNION ALL operator
- D. The number of columns selected in each SELECT statement must be identical
- E. The names of columns selected in each SELECT statement must be identical
Answer: B,D
NEW QUESTION 34
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. qty_sold = `0554982' uses implicit conversion
- B. invoie_date > '01-02-2019' : uses implicit conversion
- C. invoice_date = '15-march-2019' : uses implicit conversion
- D. CONCAT (qty_sold, invoice_date) : requires explicit conversion
- E. qty_sold BETWEEN `101' AND '110' : uses implicit conversion
Answer: C,E
NEW QUESTION 35
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 DEFERRED_SEGMENT_CREATION to TRUE
- B. Increase U1's quota sufficiently in DATA
- C. Add a data file to DATA
- D. Grant UNLIMITED TABLESPACE to U1
- E. Set AUTOEXTEND ON for data files in DATA
- F. Drop other U1 objects in DATA
Answer: B,D,F
NEW QUESTION 36
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 first ROLLBACK command restores the 101 rows that were deleted and commits the inserted row
- C. The second ROLLBACK command replays the delete
- D. The second ROLLBACK command does nothing
- E. The first ROLLBACK command restores the 101 rows that were deleted, leaving the inserted row still to be committed
Answer: A,B
NEW QUESTION 37
Which three Oracle database space management features will work with both Dictionary and Locally managed tablespaces? (Choose three.)
- A. Oracle Managed Files (OMF)
- B. Online table segment shrink
- C. Online index segment shrink
- D. Automatic data file extension (AUTOEXTEND)
- E. Capacity planning growth reports based on historical data in the Automatic Workload Repository (AWR)
Answer: A,D,E
NEW QUESTION 38
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 executes successfully and gives the required result
- C. It gives an error because the ALL keyword is not valid
- D. It gives an error because the GROUP BY clause is not valid
Answer: B
NEW QUESTION 39
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. broadcasting shared server session responses back to requesters on all connections
- C. receiving inbound requests from processes using shared server connections
- D. sending each connection input request to the appropriate shared server input queue
- E. writing inbound request to the common request queue from all shared server connections
- F. checking for outbound shared server responses on the common outbound response queue
Answer: C,D,E
NEW QUESTION 40
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 initialization parameter file is read
- D. The control file is read
- E. The online data files are opened
- F. The online redo logs are opened
Answer: A,D
NEW QUESTION 41
Examine this SQL statement:
SELECT cust_id, cust_last_name "Last Name"
FROM customers
WHERE country_id = 10
UNION
SELECT cust_id CUST_NO, cust_last_name
FROM customers
WHERE country_id = 30
Identify three ORDER BY clauses, any one of which can complete the query successfully.
(Choose three.)
- A. ORDER BY "CUST_NO"
- B. ORDER BY CUST_NO
- C. ORDER BY "Last Name"
- D. ORDER BY 2, 1
- E. ORDER BY 2, cust_id
Answer: C,D,E
NEW QUESTION 42
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 BOSTON_DB
- B. as SCOTT in both the databases
- C. as SCOTT in DALLAS_DB
- D. as SYS in both the databases
- E. as SCOTT in BOSTON_DB and SYS in DALLAS_DB
Answer: A
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 43
Which two statements are true about the PMON background process? (Choose two.)
- A. It kills sessions that exceed idle time
- B. It frees resources held by abnormally terminated processes
- C. It registers database services with all local and remote listeners known to the database instance
- D. It records checkpoint information in the control file
- E. It frees unused temporary segments
Answer: B,C
Explanation:
https://docs.oracle.com/cd/B19306_01/server.102/b14220/process.htm
NEW QUESTION 44
Which three statements are true regarding indexes? (Choose three.)
- A. A UNIQUE index can be altered to be non-unique
- B. A SELECT statement can access one or more indices without accessing any tables
- C. When a table is dropped and is moved to the RECYCLE BIN, all indexes built on that table are permanently dropped
- D. A table belonging to one user can have an index that belongs to a different user
- E. An update to a table can result in no updates to any of the table's indexes
- F. An update to a table can result in updates to any or all of the table's indexes
Answer: A,C,F
NEW QUESTION 45
Which two statements are true about trace files produced by the Oracle Database server? (Choose two.)
- A. They can be written by background processes
- B. They can be written by server processes
- C. Trace files are written to the Fast Recovery Area (FRA)
- D. All trace files contain error information that require contacting Oracle Support
- E. Trace file names are based on the database name concatenated with a sequential number
Answer: A,B
Explanation:
Reference:
https://gerardnico.com/db/oracle/trace_file
https://docs.oracle.com/html/E25494_01/monitoring001.htm
Each server and background process can write to an associated trace file. When an internal error is detected by a process, it dumps information about the error to its trace file. Some of the information written to a trace file is intended for the database administrator, and other information is for Oracle Support Services. Trace file information is also used to tune applications and instances.
NEW QUESTION 46
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