Why is there no table in hive mysql?

hive There are no tables in mysql because hive is a tool used to convert sql statements into mapreduce calculations in hdfs to obtain query data, and mysql stores tables defined by itself in hive, so mysql can see The table you see exists in hive itself, but it is not visible in hive.

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Why show tables in hive has no table and use hive in mysql Can I still see the table when I show tables later?

Because hive is a tool used to convert sql statements into mapreduce calculations in hdfs to obtain query data, and mysql stores self-defined tables in hive, that is, metadata, so mysql can see The table exists in hive itself, but it is not visible in hive.

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