DROP 语句

DROP DATABASE [IF EXISTS] db [ON CLUSTER cluster] [SYNC]

DROP [TEMPORARY] TABLE [IF EXISTS] [IF EMPTY]  [db1.]name_1[, [db2.]name_2, ...] [ON CLUSTER cluster] [SYNC]

DROP DICTIONARY [IF EXISTS] [db.]name [SYNC]

DROP USER [IF EXISTS] name [,...] [ON CLUSTER cluster_name] [FROM access_storage_type]

DROP ROLE [IF EXISTS] name [,...] [ON CLUSTER cluster_name] [FROM access_storage_type]

DROP [ROW] POLICY [IF EXISTS] name [,...] ON [database.]table [,...] [ON CLUSTER cluster_name] [FROM access_storage_type]

DROP MASKING POLICY [IF EXISTS] name ON [database.]table [ON CLUSTER cluster_name] [FROM access_storage_type]

DROP QUOTA [IF EXISTS] name [,...] [ON CLUSTER cluster_name] [FROM access_storage_type]

DROP [SETTINGS] PROFILE [IF EXISTS] name [,...] [ON CLUSTER cluster_name] [FROM access_storage_type]

DROP VIEW [IF EXISTS] [db.]name [ON CLUSTER cluster] [SYNC]

DROP FUNCTION [IF EXISTS] function_name [on CLUSTER cluster]

CREATE FUNCTION linear_equation AS (x, k, b) -> k*x + b;
DROP FUNCTION linear_equation;

DROP NAMED COLLECTION [IF EXISTS] name [on CLUSTER cluster]

CREATE NAMED COLLECTION foobar AS a = '1', b = '2';
DROP NAMED COLLECTION foobar;