Update Performance in Hive with data stored as Parquet, ORC

Hi All, If we do update column in Hive with data stored in parquet format does Hive rewrite the whole partition or it upsert the only subset of files in that partition? Thanks -- Shivam Sharma Indian Institute Of Information Technology, Design and Manufacturing Jabalpur Email:- 28shivamsha

Difference in performance of temp table vs subqueries

Hi All, As per subject of mail, I want to know performance difference in both subquery and temp table. Thanks -- Shivam Sharma Indian Institute Of Information Technology, Design and Manufacturing Jabalpur Email:- 28shivamsha...@gmail.com LinkedIn:-*https://www.linkedin.com/in/28shivamsharma

Difference in performance of temp table vs subqueries

Hi All, As per subject of mail, I want to know performance difference in both subquery and temp table. Thanks -- Shivam Sharma Indian Institute Of Information Technology, Design and Manufacturing Jabalpur Email:- 28shivamsha...@gmail.com LinkedIn:-*https://www.linkedin.com/in/28shivamsharma