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QUESTION 1
Consider the following statement on a RANGE partitioned table:
ALTER TABLE orders DROP PARTITION p1, p3;
What is the outcome of executing the above statement?
A. Only the first partition (p1) will be dropped as only one can be dropped at any time.
B. All data in p1 and p3 partitions are removed, but the table definition remainsunchanged.

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QUESTION 1
A warehouse fact table in your Oracle 12c Database is range-partitioned by month and accessed frequently with queries that span multiple partitions. The table has a local prefixed, range partitioned index.
Some of these queries access very few rows in some partitions and all the rows in other partitions, but these queries still perform a full scan for all accessed partitions. 1Z0-060 pdf
This commonly occurs when the range of dates begins at the end of a month or ends close to the start of a month. You want an execution plan to be generated that uses indexed access when only a few rows are accessed from a segment, while still allowing full scans for segments where many rowsare returned.