Hive tables meta details needed

Question

select * from information_schema.columns;

In MySQL gives me the dbname, table name and column details of a MySQL db.

Can I get the same details in hive from any tables?

Answer 1

If you have configured your metastore in mysql .Then there are tables in the metastore database named DBS, COLUMNS_V2 which will have metadata of all hive DBs and tables .

Answer 2

Describe will meet your requirement.

   hive -e "desc formatted tablename"

On above output you can use grep like below

hive -e "desc formatted tablename" |grep -i database

only column names can be get with below command.

hive -e "show columns from tablename"