Table Variables 表变量
As with any other global variable, these variables need to be set in the shell instance where the JVM process will run, so that Settings can be read by JVM into its global variables table.
与其他任何全局变量一样，需要在shell实例中设置这些变量，JVM进程将会在这个实例中运行，因此，可以通过JVM将这些设置读取到全局变量表中。
Table 1 shows these environment variables.
表 1 展示了这些环境变量。
The patterns defined in this page use variables, such as table name and column name, and don't reference terms.
这个页面中定义的模式使用变量，比如表名和列名，而不引用词汇。
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