Oracle
1Z0-054 · Question #71
1Z0-054 Question #71: Real Exam Question with Answer & Explanation
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Question
You work as a DBA for a company and as a performance improvement measure, you implemented the result cache in your database. View the Exhibit named SETTING and note the result cache settings. Many users in the company state that performance has improved on the queries they use but some users complain that they have not got any performance benefit on the queries they use. You checked all the queries they use and the following is one of them: SQL> SELECT slnoq.currval as "SLNO", prod_id, pdname, 2 cust_name FROM sales WHERE sl_date < sysdate; View the Exhibit named TEST and examine the testing performed to check this. Why is the result cache not used? (Choose all that apply.)
Exhibits
Options
- Abecause the query uses SYSDATE
- Bbecause the query uses an alias for a column
- Cbecause the query uses the SLNOQ.CURRVAL sequence
- Dbecause the CLIENT_RESULT_CACHE_SIZE parameter is set to 0
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