Oracle
1Z0-083 · Question #209
Which two are true about Oracle Optimizer Statistics, their use, and their collection? (Choose two.)
Sign in or unlock 1Z0-083 to reveal the answer and full explanation for question #209. The question stem and answer options stay visible for context.
Manage Database Performance
Question
Which two are true about Oracle Optimizer Statistics, their use, and their collection? (Choose two.)
Options
- AThe number of table rows is considered when evaluating the cost of accessing a table using
- BIndex balanced B*Tree height is considered when evaluating the cost of using an index.
- CThe Statistics Advisor can help recommend the best way to gather statistics.
- DStatistics collected using DBMS_STATS always yield the best optimizer result.
- EThe Statistics Advisor generates actions for all recommendations.
Unlock 1Z0-083 to see the answer
You've previewed enough free 1Z0-083 questions. Unlock 1Z0-083 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.
Topics
#optimizer statistics#Statistics Advisor#B-tree index height#DBMS_STATS limitations