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Question ID 2516

When would bind peeking be done for queries that vary only in values used in the WHERE clause?
 

Option A

A.    When the column used in the WHERE clause has evenly distributed data and histogram exists on that column.
 

Option B

B.    When the column used in the WHERE clause has evenly distributed data and index exists on that column.
 

Option C

C.    When the column used in the WHERE clause has non uniform distribution of data, uses a bind variable, and no histogram exists for the column.
 

Option D

D.    When the column used in the WHERE clause has non uniform distribution of data and histogram exists for the column.
 

Correct Answer A,D
Explanation


Question ID 2517

Which type of SQL statement would be selected for tuning by the automatic SQL framework?
 

Option A

A.    Serial queries that are among the costliest in any or all of the four categories: the past week, any day in the past week, any hour in the past week, or single response, and have the potential for improvement
 

Option B

B.    Serial queries that have been tuned within the last 30days and have been SQL profiled by the SQL tuning Advisor.
 

Option C

C.    Serial and parallel queries that top the AWR Top SQL in the past week only and have been SQL profiled by the SQL Tuning Advisor.
 

Option D

D.    Serial queries that top the AWR Top SQL in the past week only and whose poor performance can be traced to concurrency issues.
 

Option E

E.    Serial and parallel queries that are among the costliest in any or all of the four categories: the past week, and day in the past week, any hour in the past week, or a single response, and that can benefit from access method changes.
 

Correct Answer A
Explanation

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