Download the Latest 1Z0-082 Dumps - 2024 1Z0-082 Exam Questions
Latest Oracle 1Z0-082 Certification Practice Test Questions
Oracle 1Z0-082 is an exam designed to test one's knowledge and skills in Oracle Database Administration. It is the first step towards becoming a certified Oracle Database Administrator. 1Z0-082 exam focuses on the fundamental concepts of database administration, including installation, configuration, backup and recovery, security, and performance tuning.
Oracle 1Z1-082 (Oracle Database Administration I) Certification Exam is designed to test the skills and knowledge of database administrators who are responsible for managing and maintaining Oracle databases. Oracle Database Administration I certification exam is an essential step towards becoming an Oracle Certified Professional (OCP) in Database Administration. 1Z0-082 exam is divided into several sections, each covering a specific topic related to Oracle database administration.
NEW QUESTION # 23
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. Add a data file to DATA
- B. Drop other U1 objects in DATA
- C. Set DEFERRED_SEGMENT_CREATION to TRUE
- D. Grant UNLIMITED TABLESPACE to U1
- E. Increase U1's quota sufficiently in DATA
- F. Set AUTOEXTEND ON for data files in DATA
Answer: B,D,E
NEW QUESTION # 24
Which two types of files are opened by a database instance in the NOMOUNT state?
- A. the initialization parameter file
- B. data files
- C. control files
- D. online redo logs
- E. the alert log
Answer: A,B
NEW QUESTION # 25
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 user HR
- B. Execute DDL statements in the HR schema
- C. Revoke the CREATE SESSION privilege from other users
- D. Log in to the database instance
- E. Execute DML statements in the HR schema
- F. Grant the CREATE SESSION privilege with ADMIN OPTION to other users
Answer: C,D,F
Explanation:
Reference:
https://docs.oracle.com/cd/B28359_01/network.111/b28531/authorization.htm#DBSEG224
NEW QUESTION # 26
Which two statements are true about trace files produced by the Oracle Database server? (Choose two.)
- A. They can be written by server processes
- B. All trace files contain error information that require contacting Oracle Support
- C. They can be written by background processes
- D. Trace files are written to the Fast Recovery Area (FRA)
- E. Trace file names are based on the database name concatenated with a sequential number
Answer: A,C
Explanation:
Explanation/Reference: https://gerardnico.com/db/oracle/trace_file
NEW QUESTION # 27
Examine the description of the CUSTOMERS table:
You want to display details of all customers who reside in cities starting with the letter D followed by at least two characters.
Which query can be used?
- A. SELECT * FROM customers WHERE city LIKE 'D_';
- B. SELECT * FROM customers WHERE city = '%D_';
- C. SELECT * FROM customers WHERE city = 'D_%';
- D. SELECT * FROM customers WHERE city LIKE 'D_%';
Answer: D
NEW QUESTION # 28
Examine the description of the CUSTOMERS table:
You want to display details of all customers who reside in cities starting with the letter D followed by at least two characters.
Which query can be used?
- A. SELECT * FROM customers WHERE city LIKE 'D_';
- B. SELECT * FROM customers WHERE city = '%D_';
- C. SELECT * FROM customers WHERE city = 'D_%';
- D. SELECT * FROM customers WHERE city LIKE 'D_%';
Answer: D
NEW QUESTION # 29
In the promotions table, the PROMO_BEGIN_DATE column is of data type date and the default date format Is DD-MON-RR.
h two statements are true about expressions using PROMO_BEGIN_DATE contained In a query?
- A. TO_date(PROMO_ BEGIN_DATE * 5| will return a date.
- B. PROMO_ BEGIN_DATE - sysdate will return a number.
- C. PROMO_ BEGIN_DATE - sysdate will return an error.
- D. PROMO_ BEGIN_DATE - 5 will return a date.
- E. to_numberipromo_begin_date) - s will return a number.
Answer: C,D
NEW QUESTION # 30
Which two statements are true about the WHERE and HAVING clauses in a SELECT statement? (Choose two.)
- A. Aggregating functions and columns used in HAVING clauses must be specified in the SELECT list of a query
- B. The HAVING clause can be used with aggregating functions in subqueries
- C. The WHERE clause can be used to exclude rows after dividing them into groups
- D. The WHERE clause can be used to exclude rows before dividing them into groups
- E. WHERE and HAVING clauses can be used in the same statement only if applied to different table columns
Answer: B,D
NEW QUESTION # 31
Which two statements are true about the rules of precedence for operators? (Choose two.)
- A. The concatenation operator | | is always evaluated before addition and subtraction in an expression
- B. Arithmetic operators with equal precedence are evaluated from left to right within an expression
- C. The + binary operator has the highest precedence in an expression in a SQL statement
- D. Multiple parentheses can be used to override the default precedence of operators in an expression
- E. NULLS influence the precedence of operators in an expression
Answer: B,D
Explanation:
Reference:
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 # 32
Which three statements are true about Oracle synonyms? (Choose three.)
- A. A synonym cannot be created for a PL/SQL package
- B. Any user can drop a PUBLIC synonym
- C. A synonym can be available to all users
- D. A synonym created by one user can refer to an object belonging to another user
- E. A SEQUENCE can have a synonym
Answer: C,D,E
Explanation:
Explanation/Reference: https://docs.oracle.com/cd/B19306_01/server.102/b14200/statements_7001.htm
NEW QUESTION # 33
Which two statements are true about the rules of precedence for operators? (Choose two.)
- A. The concatenation operator | | is always evaluated before addition and subtraction in an expression
- B. Arithmetic operators with equal precedence are evaluated from left to right within an expression
- C. The + binary operator has the highest precedence in an expression in a SQL statement
- D. Multiple parentheses can be used to override the default precedence of operators in an expression
- E. NULLS influence the precedence of operators in an expression
Answer: B,D
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 # 34
Which two statements are true about Enterprise Manager Database Express? (Choose two.)
- A. It can be used to switch a database into ARCHIVELOGMODE
- B. It can be used to perform database recovery
- C. It is available only when the database is open
- D. The same port number can be used for multiple Database Express configurations for multiple databases on the same host
- E. The same port number can be used for Database Express configurations for databases on different hosts
Answer: A,D
NEW QUESTION # 35
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 first ROLLBACK command restores the 101 rows that were deleted, leaving the inserted row still to be committed
- B. The second ROLLBACK command undoes the insert
- C. The second ROLLBACK command does nothing
- D. The second ROLLBACK command replays the delete
- E. The first ROLLBACK command restores the 101 rows that were deleted and commits the inserted row
Answer: B,E
NEW QUESTION # 36
Examine this description of the TRANSACTIONS table:
Which two SQL statements execute successfully? (Choose two.)
- A. SELECT customer_id AS "CUSTOMER-ID", transaction_date AS "DATE", amount + 100 DUES FROM transactions;
- B. SELECT customer_id AS CUSTOMER-ID, transaction_date AS TRANS_DATE, amount + 100
"DUES AMOUNT" FROM transactions; - C. SELECT customer_id AS `CUSTOMER-ID', transaction_date AS DATE, amount + 100 `DUES AMOUNT' FROM transactions;
- D. SELECT customer_id AS "CUSTOMER-ID", transaction_date AS DATE, amount + 100 "DUES" FROM transactions;
- E. SELECT customer_id CUSTID, transaction_date TRANS_DATE, amount + 100 DUES FROM transactions;
Answer: A,E
NEW QUESTION # 37
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 number or varchar2 column in the last select of the compound query
- B. the first column in the first select of the compound query
- C. the first varchab2 column in the first select of the compound query
- D. the first column in the last select of the compound query
- E. the first number column in the first select of the compound query
Answer: B
NEW QUESTION # 38
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 is a locally managed tablespace
- B. It uses the database default blocksize
- C. It must be smaller than the smallest BIGFILE tablespace
- D. Free space is managed using freelists
- E. Any data files added to the tablespace must have a size of 5 gigabytes
Answer: A,B
NEW QUESTION # 39
Which three statements are true about inner and outer joins? (Choose three.)
- A. A left or right outer join returns only unmatched rows
- B. An inner join returns matched rows
- C. Outer joins can be used when there are multiple join conditions on two tables
- D. A full outer join returns matched and unmatched rows
- E. Outer joins can only be used between two tables per query
- F. A full outer join must use Oracle syntax
Answer: A,B,D
Explanation:
https://www.studytonight.com/dbms/joining-in-sql.php
NEW QUESTION # 40
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