How to retrieve metadata information from hadoop?

Past few weeks I’m studying Hadoop. My task is to complete Data Discover and File Masking for Big Data.

For File Masking, I found the file path where the tables are stored.

For Discovering the Sensitive data, I’m trying to find, where all the Metadata Information are stored?

for example:
In MySQL, if i execute the query like: SHOW DATABASE & SHOW TABLES , i will get the list of all database, which includes All System DB and User Created DB’s .
Like that, Under INFORMATION_SCHEMA DB, all the DB,Table,Columns Name,Column Type, etc. will got stored.

So, My question is How to get the Metadata Information for all Databases,tables created using Hive tool?

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