The XML mapping file contains, and elements with code inside of them that looks like regular ANSI SQL.
这个xml映射文件包含、和元素，三个元素内包含的代码看上去像是常规的ANSI SQL。
Whichever server is active presents a standardized interface (ANSI SQL, JDBC, ODBC) to external tools and applications.
不管是哪个服务器处于活动状态，都可以向外部工具和应用程序提供一个标准化接口(ANSI SQL、JDBC、ODBC)。
It had good ANSI SQL support, referential integrity, and good performance as long as the number of concurrent accesses didn't grow too large.
它有很好的ANSI SQL支持和引用完整性，并且只要并发用户的增长不太大它可以保持良好的性能。
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