Oracle
1Z0-063 · Question #70
1Z0-063 Question #70: Real Exam Question with Answer & Explanation
Sign in or unlock 1Z0-063 to reveal the answer and full explanation for question #70. The question stem and answer options stay visible for context.
Question
Examine the parameters for your database instance: NAMETYPEVALUE optimizer_adaptive_reporting_onlybooleanFALSE optimizer_capture_sql_plan_baselinesbooleanFALSE optimizer_dynamic_samplinginteger2 optimizer_features_enablestring12.1.0.1 Which three statements are true about the process of automatic optimization by using statistics feedback?
Options
- AThe optimizer automatically changes a plan during subsequent execution of a SQL statement if
- BThe optimizer can re optimize a query only once using cardinality feedback.
- CThe optimizer enables monitoring for cardinality feedback after the first execution of a query.
- DThe optimizer does not monitor cardinality feedback if dynamic sampling and multicolumn
- EAfter the optimizer identifies a query as a re-optimization candidate, statistics collected by the
Unlock 1Z0-063 to see the answer
You've previewed enough free 1Z0-063 questions. Unlock 1Z0-063 for full answers, explanations, the timed quiz mode, progress tracking, and the master PDF. Question stem and options stay visible so you can still see what's on the exam.