Free 1z0-060 Sample Question 21

Which three functions are performed by the SQL Tuning Advisor?

Options

A. Building and implementing SQL profiles

B. Recommending the optimization of materialized views

C. Checking query objects for missing and stale statistics

D. Recommending bitmap, function-based, and B-tree indexes

E. Recommending the restructuring of SQL queries that are using bad plans

Correct Answer: A,C,E
Explanation/Reference:

The SQL Tuning Advisor takes one or more SQL statements as an input and invokes the Automatic Tuning Optimizer to perform SQL tuning on the statements. The output of the SQL Tuning Advisor is in the form of an advice or recommendations, along with a rationale for each recommendation and its expected benefit. The recommendation relates to collection of statistics on objects (C), creation of new indexes, restructuring of the SQL statement (E), or creation of a SQL profile (A). You can choose to accept the recommendation to complete the tuning of the SQL statements.

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