Oracle
1Z0-888 · Question #25
1Z0-888 Question #25: Real Exam Question with Answer & Explanation
Sign in or unlock 1Z0-888 to reveal the answer and full explanation for question #25. The question stem and answer options stay visible for context.
Performance Tuning
Question
Examine the mysqldumpslow output:
Count: 109 Time=66.73s (6183s) Lock-0.00s (0s) Rows=3990419.2 (434955691), appuser[appuser]@localhost
SELECT id, firstname, surname, address, age, birthdate FROM people WHERE age >21;
Which two options could explain the slow query?
Options
- AThere is network congestion between client and server.
- BNo index has been defined on the filtered column.
- CThere are 109 queries still being executed.
- DA table lock is causing delays.
- EA full table scan is being used.
Unlock 1Z0-888 to see the answer
You've previewed enough free 1Z0-888 questions. Unlock 1Z0-888 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
#mysqldumpslow#query performance diagnosis#full table scan#network bandwidth