Author Topic: Oracle DBA Question 40  (Read 53 times)

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Offline ralph0595

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Oracle DBA Question 40
« on: April 19, 2009, 10:53:04 AM »
Question:

Your developers you to create an index on the PROD_ID column of the SALES_HISTORY table,which has 100 million rows.
The table has approximately 2 million rows of data loaded on the first day of every month.For the remainder of the month,the table is only queried.Most reports are generated according to the PROD_ID,which has 96 distinct values.
Which type of index would be appropriate?
A.bitmap
B.reverse key
C.unique B-Tree
D.normal B-Tree
E.function based
F.non-unique concatenated

Answer:A

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Oracle DBA Question 40
« on: April 19, 2009, 10:53:04 AM »

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