【多选题】NoSQL数据库的优势有
A.
NoSQL数据库去掉了传统数据库的关系型特征,因此易于扩展
B.
由于NoSQL数据库结构简单,所以它在大数据量下的读写性能很好
C.
NoSQL数据库可以随时存储自定义的数据格式
【单选题】It is not until recently ______ there are many different kinds of hearing defects.
A.
have the scientists discovered
B.
the scientists have discovered
C.
that the scientists have discovered
D.
that will the scientist have discovered
【判断题】NoSQL数据库的数据库模式灵活,可扩展性好,同时,所有NoSQL数据库都支持事务的ACID四性。
【单选题】患者张某,30岁,诊断为“肺结核”。入院指导时告知患者,病区的清洁区是:
【单选题】低极轨道卫星覆盖范围是______海区。
【简答题】回到顶部交互效果 back2top_hover.jpg back2top_normal.jpg feedback_hover.jpg feedback_normal.jpg mobile_hover.jpg mobile_normal.jpg
【判断题】资产业务产生的利润是商业银行唯一的收入来源。
【单选题】People have been complaining about SK-II recently and think the advertisements always persuade people _________ the products which are not so good.