select XMLCAST(xmlquery('$c/Properties/Properties/@name' passing item_xml as "c") as varchar(400)) from t_test_item
本文展示如何使用SQL查询XML数据,通过XMLCAST和XMLQUERY函数进行数据提取。
select XMLCAST(xmlquery('$c/Properties/Properties/@name' passing item_xml as "c") as varchar(400)) from t_test_item

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