Re: Why Hive uses MetaStore?

2020-01-15 Thread Akash Mishra
Hive need a place to store the Metadata. e.g What tables have data where, how many columns e.t.c. This is where MetaStore gets its name from. It helps user store the information about metadata. HiveMetaStore provides following: 1. Separations of concerns: All Storage related information is

?????? Why Hive uses MetaStore??

2020-01-15 Thread qq
Thank you very much for your answer. But I ??m very sorry, I still do n??t understand. Can you elaborate more? ---- ??:"David Mollitor"

Why Hive uses MetaStore??

2020-01-15 Thread qq
Hello: Why Hive uses MetaStore??Is there a related JIRA? thinks. I am looking forward to your reply??

Re: Why Hive uses MetaStore?

2020-01-15 Thread David Mollitor
In the beginning, hive was a command line tool. All the heavy lifting happened on the user's local box. If a user wanted to execute hive from their laptop, or a server, it always needs access to the list of available tables (and their schemas and their locations), otherwise every SQL script