Question 1

Which of the following statements accurately describes the Automatic Workload Repository (AWR) feature in Oracle Database 19c for performance management and tuning?

Options :

A : AWR provides historical performance data that can be used for diagnosing performance issues and identifying trends.

B : AWR captures and stores all SQL statements executed in the database along with their execution plans.

C : AWR automatically generates recommendations for performance tuning based on the collected performance data.

D : AWR provides real-time monitoring of database performance and generates alerts for potential issues.

Answer: A

Question 2

Which of the following options can be used to improve SQL performance?

Options :

A : Creating an index on all columns used in WHERE and JOIN clauses

B : Increasing the size of the Oracle buffer cache

C : Using bind variables instead of literals

D : Enabling the FORCE MATCHING option in SQL plan management

Answer: C

Question 3

What is the purpose of the Automatic Workload Repository (AWR) in Oracle Database 19c performance management and tuning?

Options :

A : To monitor the performance of the database, store a history of system activity, and identify potential performance issues for further analysis

B : To perform backups and recovery of the database and ensure data consistency

C : To manage users, roles, and privileges for accessing the database

D : To automate routine administrative tasks, such as space and memory management

Answer: A

Question 4

Which tool can be used to monitor and troubleshoot performance issues in Oracle Database 19c?

Options :

A : Oracle Enterprise Manager

B : SQL Developer

C : Oracle SQL Monitor

D : Oracle Exadata

Answer: A

Question 5

Which of the following can be a cause of excessive contention for a particular resource in an Oracle Database?

Options :

A : A large number of concurrent transactions attempting to access the resource

B : Inadequate system resources such as CPU, memory, or I/O bandwidth

C : A high volume of network traffic within the database

D : Insufficient database storage space

Answer: A

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