SQL 命令
SQL 语言包括各种命令，您可以使用这些命令来创建和处理数据库对象、运行查询、加载表和修改表中的数据。
Amazon Redshift 基于 PostgreSQL。Amazon Redshift 和 PostgreSQL 之间的差别非常大，您在设计和开发数据仓库应用程序时必须注意这一点。有关 Amazon Redshift SQL 与 PostgreSQL 之间的差异的更多信息，请参阅Amazon Redshift 和 PostgreSQL。
注意
单个 SQL 语句的最大大小为 16MB。
主题
- ABORT
- ALTER DATABASE
- ALTER DATASHARE
- ALTER DEFAULT PRIVILEGES
- ALTER EXTERNAL VIEW（预览版）
- ALTER FUNCTION
- ALTER GROUP
- ALTER IDENTITY PROVIDER
- ALTER MASKING POLICY
- ALTER MATERIALIZED VIEW
- ALTER RLS POLICY
- ALTER ROLE
- ALTER PROCEDURE
- ALTER SCHEMA
- ALTER SYSTEM
- ALTER TABLE
- ALTER TABLE APPEND
- ALTER USER
- ANALYZE
- ANALYZE COMPRESSION
- ATTACH MASKING POLICY
- ATTACH RLS POLICY
- BEGIN
- CALL
- CANCEL
- CLOSE
- COMMENT
- COMMIT
- COPY
- CREATE DATABASE
- CREATE DATASHARE
- CREATE EXTERNAL FUNCTION
- CREATE EXTERNAL MODEL
- CREATE EXTERNAL SCHEMA
- CREATE EXTERNAL TABLE
- CREATE EXTERNAL VIEW
- CREATE FUNCTION
- CREATE GROUP
- CREATE IDENTITY PROVIDER
- CREATE LIBRARY
- CREATE MASKING POLICY
- CREATE MATERIALIZED VIEW
- CREATE MODEL
- CREATE PROCEDURE
- CREATE RLS POLICY
- CREATE ROLE
- CREATE SCHEMA
- CREATE TABLE
- CREATE TABLE AS
- CREATE USER
- CREATE VIEW
- DEALLOCATE
- DECLARE
- 删除
- DESC DATASHARE
- DESC IDENTITY PROVIDER
- DETACH MASKING POLICY
- DETACH RLS POLICY
- DROP DATABASE
- DROP DATASHARE
- DROP EXTERNAL VIEW（预览版）
- DROP FUNCTION
- DROP GROUP
- DROP IDENTITY PROVIDER
- DROP LIBRARY
- DROP MASKING POLICY
- DROP MODEL
- DROP MATERIALIZED VIEW
- DROP PROCEDURE
- DROP RLS POLICY
- DROP ROLE
- DROP SCHEMA
- DROP TABLE
- DROP USER
- DROP VIEW
- END
- EXECUTE
- EXPLAIN
- FETCH
- GRANT
- INSERT
- INSERT（外部表）
- LOCK
- MERGE
- PREPARE
- REFRESH MATERIALIZED VIEW
- RESET
- REVOKE
- ROLLBACK
- SELECT
- SELECT INTO
- SET
- SET SESSION AUTHORIZATION
- SET SESSION CHARACTERISTICS
- SHOW
- SHOW COLUMNS
- SHOW EXTERNAL TABLE
- SHOW DATABASES
- SHOW MODEL
- SHOW DATASHARES
- SHOW PROCEDURE
- SHOW SCHEMAS
- SHOW TABLE
- SHOW TABLES
- SHOW VIEW
- START TRANSACTION
- TRUNCATE
- UNLOAD
- UPDATE
- VACUUM
