Question

When the schema of a table doesn’t match with the data types of a file. What does Hive do?

Answer 1

Answer :- Hive is a database technology used in hadoop. It stores the data in HDFS or S3 which is basically a file system. This technology does not compare the datatype when storing the data. Since it does not store the data on RDBMS hence it allows to store data not matching the data type.

Answer 2

On going with the Hive is database technology used in part of the Hadoop and the store the data file in the HDFS or else S3 in which it is basically the file systems.

It is one of the technology which compare the data type at the time of the storing the data.

Hope it never store the data on RDBMS and it let to save data not matching the nay sort of the data type.