Big data calculations can save data on hive, whether you use Core or Sql, there are two safe methods
The first method is to place the data on hdfs first, then hive to load
The second method is to write the data to the table data storage path of hive. When hive reads the data, it is directly deserialized. However, the format of the data in this way is sometimes a headache
There is another way that is not very safe, you can try to write with jdbc, you can first see how to use jdbc to operate hive https://blog.csdn.net/dudadudadd/article/details/112026575