Ben Chuanlong Du's Blog

It is never too late to learn.

Tips on Delta Lake

Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

Delta Lake

Delta Table

convert to delta [db_name.]table_name [partitioned by ...] [vacuum [retain number hours]]

vaccum

describe history db_name.table_name

can select from historical snapshot can also rollback to a historical snapshot rollback …