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Oracle 1Z0-082 (Oracle Database Administration I) Certification Exam is an important certification for any database administrator. It covers a wide range of topics related to Oracle database administration and demonstrates a high level of expertise in this field. By passing 1Z0-082 Exam, candidates can enhance their career prospects and demonstrate their commitment to professional development.

Oracle Database Administration I Sample Questions (Q50-Q55):

NEW QUESTION # 50
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. The + binary operator has the highest precedence in an expression in a SQL statement
C. Arithmetic operators with equal precedence are evaluated from left to right within an expression
D. NULLS influence the precedence of operators in an expression
E. Multiple parentheses can be used to override the default precedence of operators in an expression

Answer: C,E

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 # 51
A script abc.sql must be executed to perform a job.
A database user HR, who is defined in this database, executes this command:
$ sqlplus hr/hr@orcl @abc.sql
What will happen upon execution?

A. The command fails because the script must refer to the full path name
B. The command fails and reports an error because @ is used twice
C. The command succeeds and HR will be connected to the orcl and abc.sql databases
D. The command succeeds and HR will be connected to the orcl database instance, and the abc.sql script will be executed

Answer: D

NEW QUESTION # 52
Which two statements are true about the PMON background process? (Choose two.)

A. It records checkpoint information in the control file
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 frees unused temporary segments
E. It kills sessions that exceed idle time

Answer: B,C

Explanation:
https://docs.oracle.com/cd/B19306_01/server.102/b14220/process.htm

NEW QUESTION # 53
Which three statements are true about views in an Oracle database? (Choose three.)

A. The WITH CHECK clause prevents certain rows from being displayed when querying the view
B. Views can be updated without the need to re-grant privileges on the view
C. Data Manipulation Language (DML) can always be used on views
D. Inserting one or more rows using a view whose defining query contains a GROUP BY clause will cause an error
E. Tables in the defining query of a view must always exist in order to create the view
F. The WITH CHECK clause prevents certain rows from being updated or inserted
G. Deleting one or more rows using a view whose defining query contains a GROUP BY clause will cause an error

Answer: B,D,G

NEW QUESTION # 54
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. It terminates
C. You can reattach to it and monitor it
D. It is paused and can be resumed
E. You can no longer monitor it

Answer: C,D

NEW QUESTION # 55
......

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Oracle Database Administration I Sample Questions (Q50-Q55):

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