FREE 1Z0-082 Performance Management Questions and Answers
What is the primary purpose of the Oracle Optimizer?
The Oracle Optimizer determines the most efficient way to execute a SQL query by evaluating various potential execution plans and choosing the best one.
Which Oracle tool is used to capture and analyze SQL execution plans?
SQL Trace captures detailed performance data about SQL execution, which can be analyzed using TKPROF to identify bottlenecks and optimize query performance.
Which Oracle feature is primarily used for monitoring database performance in real-time?
The Automatic Workload Repository (AWR) collects, processes, and maintains performance statistics for problem detection and self-tuning purposes.
Which Oracle feature provides automatic detection and correction of performance issues?
ADDM automatically analyzes AWR data to identify performance bottlenecks and recommends actions to resolve them, helping to maintain optimal database performance.
What does the STATSPACK utility do in Oracle Database?
STATSPACK is a performance monitoring tool that captures a wide range of performance data at regular intervals, which can be used to analyze trends and identify performance issues.