SQL命令参考 SQL语法概要 ALTER AGGREGATE ALTER DATABASE ALTER EXTENSION ALTER FILESPACE ALTER GROUP ALTER LANGUAGE ALTER OPERATOR CLASS ALTER PROTOCOL ALTER ROLE ALTER SEQUENCE ALTER TABLESPACE ALTER USER ANALYZE CHECKPOINT CLUSTER COMMIT CREATE AGGREGATE CREATE CONVERSION CREATE DOMAIN CREATE FUNCTION CREATE INDEX CREATE OPERATOR CREATE OPERATOR FAMILY CREATE RESOURCE QUEUE CREATE RULE CREATE SEQUENCE CREATE TABLE AS CREATE TYPE CREATE VIEW DECLARE DISCARD DROP AGGREGATE DROP CONVERSION DROP DOMAIN DROP EXTERNAL TABLE DROP FUNCTION DROP INDEX DROP OPERATOR DROP OPERATOR FAMILY DROP RESOURCE QUEUE DROP RULE DROP SEQUENCE DROP TABLESPACE DROP USER END EXPLAIN GRANT LOAD MOVE REASSIGN OWNED RELEASE SAVEPOINT REVOKE ROLLBACK TO SAVEPOINT SELECT SET SET SESSION AUTHORIZATION SHOW TRUNCATE VACUUM