hive collection delimiter 2018/07/25 지정하든지, https://stackoverflow.com/questions/18812025/hive-nested-array-in-map-data-type 디폴트 값을 쓰든지, http://hiveexperiments.blogspot.com/2015/11/understanding-default-delimiters.html 글쓴이 dawnsea · 지식