Delete Data
Use the DROP or TRUNCATE statements to delete data. DROP deletes both metadata and data, while TRUNCATE only deletes data.
Basic Syntax:
DROP DATABASE [IF EXISTS] db [ON CLUSTER ck_cluster]DROP [TEMPORARY] TABLE [IF EXISTS] [db.]name [ON CLUSTER ck_cluster]
TRUNCATE TABLE [IF EXISTS] [db.]name [ON CLUSTER ck_cluster]