Data for all cached tables is kept in a file named database.data, while text table data is kept in any delimited text file (like CSV files) named by the set table source non-standard SQL statement.
所有缓存表的数据放在一个名为database . data的文件中，而文本表的数据则放在由set table source非标准sql语句命名的任意分隔文本文件(像CSV文件)中。
As its name suggests, this notation resembles file system paths in the sense that the components of an XPath statement are delimited by slashes.
正如其名字代表的一样，这种符号与文件系统路径的表示方法类似，使用短斜线来分开XPath语句的组分。
Statement blocks are made up of lines of code delimited by colons.
语句块由冒号分隔的代码行组成。
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