Online Questions - Valid Practice 1Z0-082 Exam Dumps Test Questions
100% Real 1Z0-082 dumps - Brilliant 1Z0-082 Exam Questions PDF
NEW QUESTION # 13
Which three statements are true about table data storage in an Oracle Database? (Choose three.)
- A. Multiple row pieces from the same row may be stored in the same block
- B. Data block headers contain their own Data Block Address (DBA)
- C. Data block free space is always contiguous in the middle of the block
- D. A table row piece can be chained across several database blocks
- E. Multiple row pieces from the same row may be stored in different database blocks
- F. Index block free space is always contiguous in the middle of the block
Answer: C,D,E
Explanation:
Explanation/Reference: https://books.google.com.pk/books?id=lNtVjrmbzckC&pg=PA267&lpg=PA267&dq=Multiple+row
+pieces+from+the+same+row+may+be+stored+in+different+database
+blocks&source=bl&ots=lEIhFe2Q52&sig=ACfU3U1TETJPy194pARxfIJ5ROaQdySCMQ&hl=en&sa=X&ved=2 ahUKEwivveLa97_mAhWOzaQKHahYAVEQ6AEwAnoECAoQAQ#v=onepage&q=Multiple%20row%20pieces
%20from%20the%20same%20row%20may%20be%20stored%20in%20different%20database%
20blocks&f=false
NEW QUESTION # 14
Which four statements are true regarding primary and foreign key constraints and the effect they can have on table data? (Choose four.)
- A. 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
- 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 remain in the child table at the time the parent row is deleted
- E. A table can have only one primary key and one foreign key
- F. Primary key and foreign key constraints can be defined at both the column and table level
- G. The foreign key columns and parent table primary key columns must have the same names
Answer: A,C,F,G
NEW QUESTION # 15
Which two are true about shrinking a segment online? (Choose two.)
- A. It always eliminates all migrated rows if any exist in the table
- B. To shrink a table it must have a UNIQUE KEY constraint
- C. It is not possible to shrink either indexes or Index Organized Tables (IOTs)
- D. It must be in a tablespace that uses Automatic Segment Space Management (ASSM)
- E. To shrink a table it must have row movement enabled
- F. To shrink a table it must have a PRIMARY KEY constraint
Answer: E,F
Explanation:
https://docs.oracle.com/cd/B19306_01/server.102/b14200/statements_3001.htm
NEW QUESTION # 16
Examine this command:
CREATE UNDO TABLESPACE undotbs01
DATAFILE 'undotbs_01.dbf'
SIZE 100M
AUTOEXTEND ON;
Which two actions must you take to ensure UNDOTBS01 is used as the default UNDO tablespace? (Choose two.)
- A. Add the ONLINE clause
- B. Add the NOLOGGING clause
- C. Make certain that the database operates in automatic undo management mode
- D. Set UNDO_TABLESPACE to UNDOTBS01
- E. Add the SEGMENT SPACE MANAGEMENT AUTO clause
Answer: C,D
NEW QUESTION # 17
Which two statements are true about UNDO and REDO? (Choose two.)
- A. DML modifies Oracle database objects and generates UNDO and REDO
- B. DML modifies Oracle database objects and only generates REDO
- C. DML modifies Oracle database objects and only generates UNDO
- D. The generation of UNDO generates REDO
- E. The generation of REDO generates UNDO
Answer: A,D
Explanation:
https://www.experts-exchange.com/articles/13880/UNDO-AND-REDO-IN-ORACLE.html
NEW QUESTION # 18
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 days for which an account is locked after the configured number of login attempts has been reached
- C. the number of password changes required within a period of time before a password can be reused
- D. the ability to prevent a password from ever being reused
- E. the maximum number of sessions permitted for a user before the account is locked
- F. the number of days for which an account may be inactive before it is locked
- G. the number of hours for which an account is locked after the configured number of login attempts has been reached
Answer: B,C,D,E
NEW QUESTION # 19
Which two are true about shrinking a segment online? (Choose two.)
- A. It always eliminates all migrated rows if any exist in the table
- B. To shrink a table it must have a UNIQUE KEY constraint
- C. It is not possible to shrink either indexes or Index Organized Tables (IOTs)
- D. To shrink a table it must have a PRIMARY KEY constraint
- E. To shrink a table it must have row movement enabled
- F. It must be in a tablespace that uses Automatic Segment Space Management (ASSM)
Answer: E,F
NEW QUESTION # 20
Which two statements are true about the rules of precedence for operators? (Choose two.)
- A. The + binary operator has the highest precedence in an expression in a SQL statement
- B. Multiple parentheses can be used to override the default precedence of operators in an expression
- C. The concatenation operator | | is always evaluated before addition and subtraction in an expression
- D. NULLS influence the precedence of operators in an expression
- E. Arithmetic operators with equal precedence are evaluated from left to right within an expression
Answer: B,E
Explanation:
Reference:
https://docs.oracle.com/cd/B19306_01/server.102/b14200/operators001.htm
https://docs.oracle.com/cd/A87860_01/doc/server.817/a85397/operator.htm Precedence is the order in which Oracle evaluates different operators in the same expression. When evaluating an expression containing multiple operators, Oracle evaluates operators with higher precedence before evaluating those with lower precedence. Oracle evaluates operators with equal precedence from left to right within an expression.
NEW QUESTION # 21
In one of your databases, user KING is:
1. Not a DBA user
2. An operating system (OS) user
Examine this command and its output:
What must you do so that KING is authenticated by the OS when connecting to the database instance?
- A. Set OS_AUTHENT_PREFIX to OPS$
- B. Alter user KING to be IDENTIFIED EXTERNALLY
- C. Grant DBA to KING
- D. Unset REMOTE_LOGIN_PASSWORDFILE
- E. Have the OS administrator add KING to the OSDBA group
Answer: A
Explanation:
https://oracle-base.com/articles/misc/os-authentication
NEW QUESTION # 22
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. Set AUTOEXTEND ON for data files in DATA
- B. Set DEFERRED_SEGMENT_CREATION to TRUE
- C. Drop other U1 objects in DATA
- D. Increase U1's quota sufficiently in DATA
- E. Add a data file to DATA
- F. Grant UNLIMITED TABLESPACE to U1
Answer: A,B,D
NEW QUESTION # 23
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 SYS in both the databases
- C. as SCOTT in BOSTON_DB and SYS in DALLAS_DB
- D. as SCOTT in BOSTON_DB
- E. as SCOTT in both the databases
Answer: B
NEW QUESTION # 24
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:
Explanation/Reference: https://docs.oracle.com/database/121/SQLRF/statements_2017.htm#SQLRF00902
NEW QUESTION # 25
The SALES_Q1 and USERS tablespaces exist in one of your databases and TEMP is a temporary tablespace.
Segment creation is not deferred.
You execute this command:
Which three statements must be true so that the SALES user can create tables in SALES_Q1? (Choose three.)
- A. The sales user must have their quota on the users tablespace removed
- B. The sales user must have a quota on the SALES_Q1 tablespace to hold the initial extends of all tables they plan to create in their schema
- C. The sales user must have been granted the CREATE TABLE privilege
- D. The sales user must have been granted the CREATE SESSION privilege
- E. The sales user must have a quota on the SALES_Q1 tablespace to hold all the rows to be inserted into any table in their schema
- F. The sales user must have a quota on the TEMP tablespace
Answer: A,B,C
NEW QUESTION # 26
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 gives an error because the GROUP BY clause is not valid
- C. It executes successfully and gives the required result
- D. It gives an error because the ALL keyword is not valid
Answer: C
NEW QUESTION # 27
Which three statements are true about inner and outer joins? (Choose three.)
- A. A full outer join returns matched and unmatched rows
- B. Outer joins can be used when there are multiple join conditions on two tables
- C. An inner join returns matched rows
- D. A left or right outer join returns only unmatched rows
- E. A full outer join must use Oracle syntax
- F. Outer joins can only be used between two tables per query
Answer: A,C,D
Explanation:
https://www.studytonight.com/dbms/joining-in-sql.php
NEW QUESTION # 28
Examine the description of the PRODUCT_STATUS table:
The status column contains the values 'in stock' or 'out of stock' for each row.
Which two queries will execute successfully?
- A. SELECT prod_id I I q' (*s not available)' "CURRENT AVAILABILITY" FROM product_status WHERE status = 'OUT OF STOCK
- B. SELECT prod_id II q'l's not available)' FROM product_status WHERE status = 'OUT OF STOCK';
- C. SELECT prod_id "CURRENT AVAILABILITY" II q'<'s not available)' FROM product_status WHERE status = 'OUT OF STOCK
- D. SELECT prod_id q's not available" FROM product_status WHERE status = 'OUT OF STOCK*;
- E. SELECT prod_id I I q' ('s not available) * 'CURRENT AVAILABILITY' FROM product_status WHERE status = 'OUT OF STOCK
- F. SELECT prod_id Il q"'s not available" FROM product_status where status = 'OUT OF STOCK';
Answer: A,B
NEW QUESTION # 29
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 != NULL
AND cust_credit_level !=NULL; - B. 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; - C. 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; - D. SELECT cust_first_name, cust_credit_limit * .05 AS DUE_AMOUNT
FROM customers
WHERE cust_income_level != NULL
AND due_amount != 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: B
NEW QUESTION # 30
......
1Z0-082 Exam PDF [2023] Tests Free Updated Today with Correct 145 Questions: https://www.torrentvalid.com/1Z0-082-valid-braindumps-torrent.html
Oracle 1Z0-082 Exam Preparation Guide and PDF Download: https://drive.google.com/open?id=18GiwmimAJErtsrN2nzMNysM9vXysBuft