试题详情
- 单项选择题What advantage would you get if you increase the length of time during which the undo information would be stored in the database？（）
A、roll back of large transactions
B、roll forward to redo a transaction
C、data concurrency for large updates
D、read consistency for long-running transactions
- D
关注下方微信公众号，在线模考后查看
热门试题