... 由使用者选择(at user option) 有效性约束(validity constraint) 格式正确性约束(well-formedness constraint) ...
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A third option, rather than using client side XSLT, is to detect the user agent at the server and to provide different content depending on the user agent's capabilities.
除了使用客户端XSLT之外,还有第三种选择,那就是在服务器检测用户代理,并根据用户代理的功能提供不同的内容。
If the user specifies these options, and there is a conflict with the option value at the data source, an error is returned (SQL 1255n).
如果用户指定了这些选项,但是与数据源上的选项值有冲突,那么返回一个错误(SQL 1255n)。
But if you are an advanced user, it gives you the option to configure more than 10 different properties at the Connection pool level and more than 10 different properties at the data source level.
但是如果您是一名高级用户的话,它向您提供了机会去在Connection pool层次上配置超过10个不同的属性,并在数据源层次上配置超过10个不同的属性。
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