而不是将数据存储到刚性模式的表、行和列中,通过关系加入,文档被单独编写,包含它们需要的任何数据。
Rather than storing data into a rigid schema of tables, rows, and columns, joined by relationships, documents are written individually, containing whatever data they require.
2007年,珀金斯曾在《华尔街日报》一个专栏中发表过关于公司治理的文章,他在文中表示,自己支持的模式,与专注于法律问题的合规董事会有非常大的不同。
Perkins wrote about his views on governance in a Wall Street Journal op-ed in 2007, expressing his belief in a model that is very different from a "Compliance Board, with its focus on legal issues."
大多数开发人员听说过关于反模式的一个很好的例子:结构化查询语言(Structured Query Language,SQL)的错误使用导致Web站点受到 SQL 注入攻击。
Most developers have heard of a good example of an anti-pattern: The improper use of Structured Query Language (SQL) libraries that result in SQL injection attacks on Web sites.
如果你学习过关系模式数据库又希望学习更多关于MongoDB或者对一个无sql执行实例感兴趣,对你来说这是一本好书。
If you're coming from a relational database background and wish to learn more about MongoDB or are interested in it as an example of a NoSQL implementation, this is a great book.
使全部的棋子颜色相同才能过关,游戏分成了普通,一般,困难能模式,还等什么呢?
Click on a circle to flip over vertically and horizontally adjacent circles. when all the circle are same color you will be enter the next mission, game has three modes easy, normal, hard.
你可以通过关闭您的手机再次进入下载模式按住音量调低,主页按钮,电源按钮,然后点击“音量”按钮。
You can do this by powering off your phone again and go back into downloading mode by holding down Volume down, Home button, and power button then hit the Volume Up button.
你可以通过关闭您的手机再次进入下载模式按住音量调低,主页按钮,电源按钮,然后点击“音量”按钮。
You can do this by powering off your phone again and go back into downloading mode by holding down Volume down, Home button, and power button then hit the Volume Up button.
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