Oracle
1Z0-117 · Question #111
1Z0-117 Question #111: Real Exam Question with Answer & Explanation
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Question
One of your databases supports a mixed workload. When monitoring SQL performance, you detect many direct paths reads full table scans. What are the two possible causes?
Options
- AHistograms statistics not available
- BHighly selective filter on indexed columns
- CToo many sort operations performed by queries
- DIndexes not built on filter columns
- EToo many similar type of queries getting executed with cursor sharing disabled
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