Oracle
1Z0-064 · Question #48
1Z0-064 Question #48: Real Exam Question with Answer & Explanation
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Question
Your database supports a DSS workload. In an application, a few complex queries that contain multiple functions and expressions are using materialized views. You notice that some queries are performing poorly because they are not benefiting from query rewrites. Which three actions would you take to improve the performance of queries? (Choose three.)
Options
- ACreate an SQL Tuning Set (STS) and submit as input to the SQL Access Advisor to generate
- BUse the DBMS_MVIEW.EXPLAIN_REWRITE procedure to analyze why a query failed to rewrite.
- CCreate an STS and submit as input to the SQL Performance Analyzer to get recommendations
- DUse the DBMS_ADVISOR.TUNE_MVIEW procedure to get recommendations about rewriting
- EUse the DBMS_ADVISOR.QUICK_TUNE procedure to analyze queries based on the usage of
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