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Question 1 2 pts Which of the following is NOT a characteristic of a data warehouse? O The data warehouse contains historical data O The
Question 1 2 pts Which of the following is NOT a characteristic of a data warehouse? O The data warehouse contains historical data O The data warehouse consists of a large number of highly normalized tables O The data warehouse is tuned for relatively long running queries instead of inserts, updates and deletes The data warehouse is usually updated weekly or monthly Question 2 2 pts Which of the following is a common approach to achieving concurrency control? O serialization Olocking resources O checkpoints
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