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Oracle 1Z0-082 exam covers a wide range of topics related to database administration, such as database architecture, data management, security, performance tuning, and backup and recovery. Passing 1Z0-082 Exam demonstrates an individual's ability to perform essential tasks related to database administration and management.

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Oracle 1Z1-082 exam is intended for individuals who have a solid foundation in database administration and have experience working with Oracle databases. 1Z0-082 exam covers a wide range of topics, including database architecture, backup and recovery, database security, and performance tuning. Candidates should have a deep understanding of these topics, as well as practical experience working with Oracle databases.

The Oracle 1Z0-082 Exam comprises of 83 multiple choice questions and has a time limit of 2 hours. The topics covered in the exam include Oracle Database Architecture, Database Backup and Recovery, Database Security, Database Maintenance, and Performance Tuning. 1Z0-082 exam is conducted in a proctored environment, and candidates are required to score at least 64% to pass the exam.

Oracle Database Administration I Sample Questions (Q40-Q45):

NEW QUESTION # 40
Examine this description of the TRANSACTIONS table:

Which two SQL statements execute successfully? (Choose two.)
SELECT customer_id AS "CUSTOMER-ID", transaction_date AS DATE, amount + 100

A. 100 "DUES AMOUNT" FROM transactions;
SELECT customer_id CUSTID, transaction_date TRANS_DATE, amount + 100 DUES FROM
B. "DUES" FROM transactions;
SELECT customer_id AS "CUSTOMER-ID", transaction_date AS "DATE", amount + 100
C. transactions;
SELECT customer_id AS 'CUSTOMER-ID', transaction_date AS DATE, amount + 100
D. 'DUES AMOUNT' FROM transactions;
E. DUES FROM transactions;
SELECT customer_id AS CUSTOMER-ID, transaction_date AS TRANS_DATE, amount +

Answer: C,E

NEW QUESTION # 41
Which three statements are true about dropping and unused columns in an Oracle database?
(Choose three.)

A. A DROP COLUMN command can be rolled back
B. An UNUSED column's space is reclaimed automatically when the row containing that column is next queried.
C. A primary key column referenced by another column as a foreign key can be dropped if using the CASCADE option.
D. Partition key columns cannot be dropped.
E. A column that is set to UNUSED still counts towards the limit of 1000 columns per table
F. An UNUSED column's space is reclaimed automatically when the block containing that column is next queried.

Answer: C,E,F

NEW QUESTION # 42
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 continues to run in the background
B. You can no longer monitor it
C. It terminates
D. You can reattach to it and monitor it
E. It is paused and can be resumed

Answer: D,E

Explanation:
Reference:
https://blog.oracle48.nl/killing-and-resuming-datapump-expdp-and-impdp-jobs/

NEW QUESTION # 43
Which two statements are true about the rules of precedence for operators? (Choose two.)

A. Multiple parentheses can be used to override the default precedence of operators in an expression
B. NULLS influence the precedence of operators in an expression
C. The + binary operator has the highest precedence in an expression in a SQL statement
D. The concatenation operator | | is always evaluated before addition and subtraction in an expression
E. Arithmetic operators with equal precedence are evaluated from left to right within an expression

Answer: A,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 # 44
Which three statements are true concerning logical and physical database structures? (Choose three.)

A. Segments can span multiple tablespaces
B. A smallfile tablespace might be bigger than a bigfile tablespace
C. A segment's blocks can be of different sizes
D. A segment might have only one extent
E. The extents of a segment must always reside in the same datafile
F. All tablespaces may have one or more data files
G. A segment can span multiple data files in some tablespaces

Answer: B,D,E

NEW QUESTION # 45
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