题目内容：
在数据库技术中，对数据库进行备份，这主要是为了维护数据库的
A．开放性 B．一致性
C．完整性
D．可靠性
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答案解析：
单选题：在数据库技术中，对数据库进行备份，这主要是为了维护数据库的
- 题目分类：数据库
- 题目类型：单选题
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B．一致性
C．完整性
D．可靠性
B．一致性
C．完整性
D．可靠性
对最近一次数据库完全备份以来发生的数据变化进行备份是（ ）转储。
对最近一次数据库完全备份以来发生的数据变化进行备份是（ ）转储。
From the text, we know that the "baby boomers" are a group o
From the text, we know that the "baby boomers" are a group of people who __A．hav
In comparison with Westerners, Easterners are likely to
In comparison with Westerners, Easterners are likely toA．do translation more suc
完成选项 CPeople from East Asia tend to have mor
完成选项 CPeople from East Asia tend to have more difficulties than
They happened to__________ for Tianjin when we got there.
They happened to__________ for Tianjin when we got there.A．leave B．have left C．