When formulating filter conditions, various operators and commands are available to you. Apart from the relational operators, there are SQL-specific commands that query the content of database fields. If you use these commands in the $[officename] syntax, $[officename] automatically converts these into the corresponding SQL syntax. You can also enter the SQL command directly. The following tables give an overview of the operators and commands:
在指定筛选条件时，您可以使用各种运算符和命令，包括关系运算符，以及用于查询数据库字段内容的 SQL 特定命令。如果使用 $[officename] 语法来调用这些命令，则 $[officename] 会自动将它们转换成对应的 SQL 语法。也可以直接输入 SQL 命令。下表简要介绍了一些运算符和命令：