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Question ID 20624

Which two statements are true about the query results stored in the qeury result cache? (Choose two.)

Option A

If any of the tables used to build a query is modified by an ongoing transaction in the current session
the query result is not cached

Option B

A query result based on a read-consistent snapshot of data that is older than the latest committed
version of the data is not cached

Option C

Adding the RESULT_CACHE hint to inline views enables optimizations between the outer query and
the inline view and the query result is cached

Option D

A query result for a query that has a bind variable is stored in the cache and is reused if the query is
equivalent even when the bind variable has a different value

Correct Answer A,B
Explanation


Question ID 20625

See the Exhibit:

Using NOT NULL constraint when declaring the variables
The code take a long time to execute. What would you recommend to improve performance?

Option A

Using NOT NULL constraint when declaring the variables

Option B

Using the BULK COLLECT option for query instead of cursor

Option C

Using WHILE ........... END LOOP instead of FOR ........... END LOOP

Option D

Using the SIMPLE_INTEGER data types instead of the NUMBER data type

Correct Answer B
Explanation

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