行分隔符
row format delimited fields terminated by ‘\t‘;
字段分隔符
fields terminated by ‘\t‘
array 类型成员分隔符
collection items terminated by ‘,‘
map 的 Key 和 Value 之间的分隔符
map keys terminated by ‘:‘
行分隔符,必须放在最后
lines terminated by ‘\n‘
原文：https://www.cnblogs.com/haduyoudu/p/15206193.html