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Oracle 1Z1-082 Exam Syllabus Topics:

Section	Objectives
Topic 1: Database Storage Structures	- Control files and redo logs - Tablespaces and datafiles
Topic 2: Multitenant Architecture	- Container and pluggable databases (CDB/PDB) - Managing pluggable databases
Topic 3: Monitoring and Performance Management	- Performance tuning basics - Database monitoring tools
Topic 4: Oracle Database Architecture	- Physical database structure - Database instance and memory structures
Topic 5: Database Administration	- Managing users and privileges - Managing database objects
Topic 6: Backup and Recovery Concepts	- Backup and restore operations - RMAN fundamentals
Topic 7: Database Installation and Configuration	- Installing Oracle Database software - Creating and configuring a database

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Oracle Database Administration I Sample Questions (Q145-Q150):

NEW QUESTION # 145
What is true about non-equijoin statement performance? (Choose two.)

A. The BETWEEN condition always performs less well than using the >= and <= conditions
B. The BETWEEN condition always performs better than using the >= and <= conditions
C. Table aliases can improve performance
D. The join syntax used makes no difference to performance
E. The Oracle join syntax performs better than the SQL:1999 compliant ANSI join syntax

Answer: C,E

Explanation:
Explanation

NEW QUESTION # 146
Which two are true about instance recovery for a database that is open in read write mode?
(Choose two.)

A. The database opens after the roll forward phase of instance recovery has completed.
B. Only the CURRENT REDO log group is required to perform instance recovery.
C. It always occurs during instance startup performed immediately after a SHUTDOWN ABORT.
D. It is always performed when opening a database.
E. No users can log on until instance recovery has completed.
F. It is guaranteed to complete within fast_start_mttr_target number of seconds.

Answer: C,D

NEW QUESTION # 147
Which three are true about the Oracle Optimizer? (Choose three.)

A. It can optimize only SELECT statements.
B. It can re-optimize execution plans after previous executions detect suboptimal plans.
C. It updates stale object statistics in the Data Dictionary.
D. It generates execution plans for SQL statements based on relevant schema objects, system and session parameters, and information found in the Data Dictionary.
E. It determines the optimal table join order and method.
F. It will only generate SQL Plan Directives specific to a given SQL statement.

Answer: A,D,E

NEW QUESTION # 148
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. Grant the CREATE SESSION privilege with ADMIN OPTION to other users
B. Execute DML statements in the HR schema
C. Revoke the CREATE SESSION privilege from user HR
D. Log in to the database instance
E. Revoke the CREATE SESSION privilege from other users
F. Execute DDL statements in the HR schema

Answer: A,E,F

Explanation:
Explanation/Reference: https://docs.oracle.com/cd/B28359_01/network.111/b28531/authorization.htm#DBSEG224

NEW QUESTION # 149
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 gives an error because the ALL keyword is not valid
B. It gives an error because the GROUP BY clause is not valid
C. It executes successfully and gives the required result
D. It executes successfully but does not give the required result

Answer: C

NEW QUESTION # 150
......

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