READ Free Dumps For Oracle- 1z0-060
Question ID 2145 | You notice a high number of waits for the db file scattered read and db file sequential read events in the recent Automatic Database Diagnostic Monitor (ADDM) report. After further investigation, you find that queries are performing too many full table scans and indexes are not being used even though the filter columns are indexed. |
Option A | A. Missing or stale histogram statistics |
Option B | B. Undersized shared pool |
Option C | C. High clustering factor for the indexes |
Option D | D. High value for the DB_FILE_MULTIBLOCK_READ_COUNT parameter |
Option E | E. Oversized buffer cache |
Correct Answer | A,C,D |
Question ID 2146 | Which three features work together, to allow a SQL statement to have different cursors for the same statement based on different selectivity ranges? |
Option A | A. Bind Variable Peeking |
Option B | B. SQL Plan Baselines |
Option C | C. Adaptive Cursor Sharing |
Option D | D. Bind variable used in a SQL statement |
Option E | E. Literals in a SQL statement |
Correct Answer | A,C,E |