In this case, the table is created with the structured type, and you don't specify individual columns in the table definition.
在这种情况下，表是用结构化类型创建的，并且您不必在表定义中指定单独的列。
The embedded SQL statement casts the manager names in the unit table into an XML type (in this case into an XML string), and feeds them into the XQuery.
嵌入式sql语句将unit表中的主管姓名强制转换为xml类型(本例中为xml字符串)，然后将其提供给XQuery。
If the output type is Meet all rules, then the table contains all of the evaluated records that verify the rule in case of a simple rule, or all records that verify all rules in case of a rule set.
如果输出类型是Meet all rules，那么，对于简单规则，该表包含已验证规则的所有已评估记录，对于规则集，则包含所有验证了全部规则的记录。
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