试题详情
- 单项选择题You work as a database administrator for Certkiller .com. Users in the Certkiller .com PROD database complain about the slow response of transactions. While investigating the reason you find that the transactions are waiting for the undo segments to be available， and undo retention has been set to zero. What would you do to overcome this problem？（）
A、Increase the undo return
B、Create more undo segments
C、Create another undotablespace
D、Increase the size of the undotablespace
- D
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