MySQL数据库中有个字段是json格式的[{"tag_id":"111","tag_name","ktv"},{"tag_id":"112","tag_name","aaa"}],该字段内容很长很多,数据用sqoop导入到hdfs里面,想建立hive外部表,如何在hive表中定义该字段?请大神解答
MySQL数据库中有个字段是json格式的[{"tag_id":"111","tag_name","ktv"},{"tag_id":"112","tag_name","aaa"}],该字段内容很长很多,数据用sqoop导入到hdfs里面,想建立hive外部表,如何在hive表中定义该字段?请大神解答