未知题型 What's the evidence that Jackson thought Kobe is better than Michael?A.Kobe is doing less post-up, less penetration, less at-the-basket kind of stufF.B.Kobe is shooting more than Michael was.C.Kobe's shooting way is raising up over people and knocking the ball down.D.Kobe can shoot in more range than Michael.

单项选择题 mysqldump是采用SQL级别的备份机制，它将数据表导成SQL脚本文件。

单项选择题 冷备份的优点是在大多数情况下数据库可在工作时恢复。