DDL
- CREATE DATABASE
- CREATE EXTERNAL DATABASE
- DROP DATABASE
- XUANWU_V2引擎介绍
- CREATE TABLE
- CREATE EXTERNAL TABLE
- IMPORT FOREIGN SCHEMA
- CREATE TABLE AS SELECT（CTAS）
- ALTER TABLE
- ALTER TABLE（外表）
- MSCK REPAIR TABLE
- TRUNCATE TABLE
- DROP TABLE
- CREATE VIEW
- DROP VIEW
- CREATE RESOURCE GROUP
- ALTER RESOURCE GROUP
- DROP RESOURCE GROUP
- SHOW