sql:insert into table 与 insert overwrite table 区别
创建测试表,来测试看看测试结果:createtabletest(namestring,pwdstring,createdatestring)rowformatdelimitedfieldsterminatedby',';第一步:使用insertinto插入数据到表中:insertintotest(name,pwd,createdate)values('name1','pwd1','2017-06-