1Z0-082 Actual Questions Answers PDF 100% Cover Real Exam Questions
1Z0-082 Exam questions and answers
Oracle 1Z1-082 exam covers a wide range of topics, including database architecture, installation, administration, backup, recovery, and security. It is geared towards professionals who have experience with Oracle databases and want to enhance their skills and knowledge to become proficient in managing Oracle databases.
Oracle Corporation is a leading provider of database software and technology. The company has been providing database solutions for over four decades and is widely regarded as a leader in the field of database management. The Oracle 1Z0-082 exam is a testament to the company's commitment to providing the highest quality database administration solutions to its customers.
NEW QUESTION # 48
Which two are true about complete recovery? (Choose two.)
- A. Incremental backups can be used to roll forward the database while performing it.
- B. The database must have FLASHBACK enabled in order to perform it.
- C. Uncommitted transactions will be rolled back after it completes.
- D. Only RMAN backupsets can be used to restore a database as part of it.
- E. It is possible only when the database is in MOUNT state
Answer: B,E
NEW QUESTION # 49
Examine these SQL statements which execute successfully:
Which two statements are true after execution?
- A. The primary key constraint will be enabled and deferred.
- B. The foreign key constraint will be disabled.
- C. The foreign key constraint will be enabled and immediate.
- D. The primary key constraint will be enabled and immediate.
- E. The foreign key constraint will be enabled and deferred.
Answer: B
NEW QUESTION # 50
Which two are true about the roles? (Choose two.)
- A. The SET ROLE statement enables as well as disables roles in a session.
- B. A role must be disabled before it can be revoked from a user.
- C. All privileges and roles granted to a user are enabled by default when the user logs in.
- D. The ALTER USER statement must be used to set specific default roles for a user.
- E. The SET ROLE statement can be used once per session.
Answer: A,C
NEW QUESTION # 51
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. The foreign key columns and parent table primary key columns must have the same names
- C. 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
- D. Only the primary key can be defined at the column and table level
- E. Primary key and foreign key constraints can be defined at both the column and table level
- 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. A table can have only one primary key but multiple foreign keys
Answer: B,C,E,G
NEW QUESTION # 52
View the Exhibit and examine the structure of the PRODUCTS table.
Which two tasks require subqueries? (Choose two.)
- A. Display suppliers whose PROD_LIST_PRICE is less than 1000
- B. Display the total number of products supplied by supplier 102 which have a product status of obsolete
- C. Display the number of products whose PROD_LIST_PRICE is more than the average PROD_LIST_PRICE
- D. Display products whose PROD_MIN_PRICE is more than the average PROD_LIST_PRICE of all products, and whose status is orderable
- E. Display the minimum PROD_LIST_PRICE for each product status
Answer: C,D
NEW QUESTION # 53
Which three object types support deferred segment creation? (Choose three.)
- A. partitioned tables
- B. temporary tables
- C. index organized tables
- D. external tables
- E. clustered tables
- F. heap organized tables
Answer: A,C,F
NEW QUESTION # 54
Which two statements are true about User Authentication in an Oracle Database?
- A. Password File authentication is supported for any type of database user.
- B. Password File authentication must be used for system-privileged administrative users.
- C. Operating System authentication may be used for system-privileged administrative users.
- D. Password authentication must be used for system-privileged administrative users.
- E. REKOTE_LOGIN_PASSMOREFiLE must be set to exclusive to permit password changes for system-privileged administrative users.
Answer: C,D
NEW QUESTION # 55
Which two statements are true about the DUAL table? (Choose two.)
- A. It can be accessed only by the SYS user
- B. It consists of a single row and single column of VARCHAR2 data type
- C. It can display multiple rows but only a single column
- D. It can be used to display only constants or pseudo columns
- E. It can be accessed by any user who has the SELECT privilege in any schema
- F. It can display multiple rows and columns
Answer: B,F
Explanation:
Reference:
https://en.wikipedia.org/wiki/DUAL_table
NEW QUESTION # 56
You have been tasked to create a table for a banking application.
One of the columns must meet three requirements:
1. Be stored in a format supporting date arithmetic without using conversion functions
2. Store a loan period of up to 10 years
3. Be used for calculating interest for the number of days the loan remains unpaid Which data type should you use?
- A. TIMESTAMP WITH LOCAL TIMEZONE
- B. INTERVAL YEAR TO MONTH
- C. TIMESTAMP
- D. TIMESTAMP WITH TIMEZONE
- E. INTERVAL DAY TO SECOND
Answer: E
NEW QUESTION # 57
You execute this command:
CREATE SMALLFILE TABLESPACE sales
DATAFILE '/u01/app/oracle/sales01.dbf
SIZE 5G
SEGMENT SPACE MANAGEMENT AUTO;
Which two statements are true about the SALES tablespace? (Choose two.)
- A. It uses the database default blocksize
- B. It is a locally managed tablespace
- C. It must be smaller than the smallest BIGFILE tablespace
- D. Any data files added to the tablespace must have a size of 5 gigabytes
- E. Free space is managed using freelists
Answer: A,B
NEW QUESTION # 58
Examine the description of the PROMOTIONS table:
You want to display the unique promotion costs in each promotion category.
Which two queries can be used? (Choose two.)
- A. SELECT promo_category, DISTINCT promo_cost FROM promotions ORDER BY 2;
- B. SELECT DISTINCT promo_cost || ' in ` || DISTINCT promo_category FROM promotions ORDER BY 1;
- C. SELECT promo_cost, promo_category FROM promotions ORDER BY by 1;
- D. SELECT DISTINCT promo_category, promo_cost FROM promotions ORDER BY 1;
- E. SELECT DISTINCT promo_category || ` has ` || promo_cost AS COSTS FROM promotions ORDER BY 1;
Answer: A,D
NEW QUESTION # 59
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 both the databases
- B. as SCOTT in DALLAS_DB
- C. as SYS in both the databases
- D. as SCOTT in BOSTON_DB and SYS in DALLAS_DB
- E. as SCOTT in BOSTON_DB
Answer: C
NEW QUESTION # 60
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 PRIMARY KEY constraint
- C. It must be in a tablespace that uses Automatic Segment Space Management (ASSM)
- D. To shrink a table it must have row movement enabled
- E. It is not possible to shrink either indexes or Index Organized Tables (IOTs)
- F. To shrink a table it must have a UNIQUE KEY constraint
Answer: B,D
Explanation:
https://docs.oracle.com/cd/B19306_01/server.102/b14200/statements_3001.htm
NEW QUESTION # 61
What is true about non-equijoin statement performance? (Choose two.)
- A. The join syntax used makes no difference to performance
- B. The Oracle join syntax performs better than the SQL:1999 compliant ANSI join syntax
- C. Table aliases can improve performance
- D. The BETWEEN condition always performs better than using the >= and <= conditions
- E. The BETWEEN condition always performs less well than using the >= and <= conditions
Answer: B,C
NEW QUESTION # 62
The CUSTOMERS table has a CUST_CREDIT_LIMIT column of data type NUMBER.
Which two queries execute successfully? (Choose two.)
- A. SELECT TO_CHAR(NVL(cust_credit_limit * .15, 'Not Available')) FROM customers;
- B. SELECT NVL2(cust_credit_limit, TO_CHAR(cust_credit_limit * .15), 'Not Available') FROM customers;
- C. SELECT NVL(cust_credit_linit * .15, 'Not Available') FROM customers;
- D. SELECT NVL2(cust_credit_linit * .15, 'Not Available') FROM customers;
- E. SELECT NVL(TO_CHAR(cust_credit_limit * .15), 'Not Available') FROM customers;
Answer: D,E
NEW QUESTION # 63
Which two are true about conventional path SQL load? (Choose two.)
- A. It cannot load data into clustered tables.
- B. It enforces referential integrity constraints.
- C. It locks objects being processed.
- D. It always generates redo.
- E. It does not generate UNDO.
Answer: B,E
NEW QUESTION # 64
Which four statements are true regarding primary and foreign key constraints and the effect they can have on table data? (Choose four.)
- A. The foreign key columns and parent table primary key columns must have the same names
- B. 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
- C. Only the primary key can be defined at the column and table level
- D. Primary key and foreign key constraints can be defined at both the column and table level
- E. A table can have only one primary key and one foreign key
- 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. A table can have only one primary key but multiple foreign keys
Answer: A,B,D,G
NEW QUESTION # 65
Which two are true about a SQL statement using SET operators such as UNION? (Choose two.)
- A. 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.
- B. The names and number of columns must be identical for all SELECT statements in the query.
- C. 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.
- D. 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.
- E. The number, but not names, of columns must be identical for all SELECT statements in the query.
Answer: C,D
NEW QUESTION # 66
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 "CURRENT AVAILABILITY" II q'<'s not available)' FROM product_status WHERE status = 'OUT OF STOCK
- B. SELECT prod_id I I q' ('s not available) * 'CURRENT AVAILABILITY' FROM product_status WHERE status = 'OUT OF STOCK
- C. SELECT prod_id I I q' (*s not available)' "CURRENT AVAILABILITY" 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 II q'l's not available)' 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: C,E
NEW QUESTION # 67
Examine these commands:
Which two statements are true about the sqlldrexecution? (Choose two.)
- A. It appends data from EMP.DAT to EMP
- B. It uses the database buffer cache to load data
- C. It generates a log that contains control file entries, which can be used with normal SQL*Loader operations
- D. It overwrites data in EMP with data in EMP.DAT
- E. It generates a sql script that it uses to load data from EMP.DAT to EMP
Answer: B,E
NEW QUESTION # 68
Which two tasks can you perform using DBCA for databases? (Choose two.)
- A. Change the standard block size of an existing database
- B. Enable flashback database for an existing database
- C. Register a new database with an available Enterprise Manager Management server
- D. Configure a nonstandard block size for a new database
- E. Configure incremental backups for a new database
Answer: A,C
Explanation:
Explanation/Reference: https://docs.oracle.com/cd/B16254_01/doc/server.102/b14196/install003.htm
NEW QUESTION # 69
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 PRIMARY KEY constraint
- C. It must be in a tablespace that uses Automatic Segment Space Management (ASSM)
- D. To shrink a table it must have row movement enabled
- E. It is not possible to shrink either indexes or Index Organized Tables (IOTs)
- F. To shrink a table it must have a UNIQUE KEY constraint
Answer: B,D
NEW QUESTION # 70
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. SUBTRACT
- C. MINUS
- D. UNION ALL
- E. UNION
Answer: C
NEW QUESTION # 71
Which two statements are true about the configuration and use of UNDO_RETENTION with GURANTEED RETENTION? (Choose two.)
- A. Active UNDO is always retained.
- B. UNDO_RETENTION specifies for how long Oracle attempts to keep unexpired UNDO.
- C. UNDO_RETENTION specifies for how long Oracle attempts to keep expired and unexpired UNDO.
- D. UNDO_RETENTION specifies how long all types of UNDO are retained.
- E. Unexpired UNDO is always retained.
Answer: C,E
NEW QUESTION # 72
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To prepare for the Oracle 1Z0-082 exam, candidates must have a solid understanding of database concepts and SQL. Candidates should also have experience working with Oracle databases and should be familiar with the Oracle Database Administration tools and utilities. There are many training resources available to help candidates prepare for the exam, including Oracle University courses, study guides, and practice exams. With the right preparation and study, candidates can pass the Oracle 1Z0-082 exam and become certified Oracle Database Administrators.
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