Oracle
1Z0-485 · Question #26
1Z0-485 Question #26: Real Exam Question with Answer & Explanation
Sign in or unlock 1Z0-485 to reveal the answer and full explanation for question #26. The question stem and answer options stay visible for context.
Question
Storage indexes are unique to the Exadata Database Machine and their primary goal is to reduce the amount of I/O required to service I/O requests for Exadata Smart Scan. Put the following steps in order: 1. The Exadata cell services software conducts I/O requests on I MO storage regions. 2. cellsrv checks the high and low values, and determines the storage region does not contain any values meeting the predicate. 3. The database is started. 4. Physical I/O to the region is bypassed if the query selection falls outside the high/low storage index storage. 5. A query is issued against the MYOBJ_CTRL table that has a predicate OBJECT_ID=1500. 6. A subsequent query is Issued against the MYOBJ_CTRL table that has a predicate OBJECT_ID=2234. 7. MYOBJ_STATE'S region index is populated with high and low values for the OBJECT_ID column during the I/O request.
Options
- A
- 7, 5, 2, 1, 6, and 4
- B3, 7, 1, 5, 6, 2, and 4
- C3, 6, 1. 7, 2, 5 and 4
- D3, 5, 1, 7, 6, 2. and 4
Unlock 1Z0-485 to see the answer
You've previewed enough free 1Z0-485 questions. Unlock 1Z0-485 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.