单选题
You work as a database administrator for Supportcenter.cn. Users in the Supportcenter.cn 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？（）
发布日期：2022-07-15
A
Increase the undo return
B
Create more undo segments
C
Create another undotablespace
D
Increase the size of the undo tablespace
标签： "暂无标签"
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