Oracle
1Z0-909 · Question #36
1Z0-909 Question #36: Real Exam Question with Answer & Explanation
Sign in or unlock 1Z0-909 to reveal the answer and full explanation for question #36. The question stem and answer options stay visible for context.
Performance
Question
Examine this statement which has executed successfully:
Exhibit
Options
- AExecution performance can be improved by using like instead of RLIKE.
- BThe statement takes advantage of index description_idx.
- CExecution performance can be improved by, using a composite index with column description as
- DNo index will improve statement performance.
- EExecution performance can be improved by adding an index on column description.
Unlock 1Z0-909 to see the answer
You've previewed enough free 1Z0-909 questions. Unlock 1Z0-909 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
#LIKE/RLIKE operators#Pattern matching#Query optimization#Index strategy