Description of alter_table
ALTER TABLE [ schema. ] table [ memoptimize_read_clause ] [ alter_table_properties | column_clauses | constraint_clauses | alter_table_partitioning | alter_external_table | move_table_clause | modify_to_partitioned | modify_opaque_type | immutable_table_clauses | blockchain_table_clauses ] [ enable_disable_clause | { ENABLE | DISABLE } { TABLE LOCK | ALL TRIGGERS | CONTAINER_MAP | CONTAINERS_DEFAULT } ] ... ;