ALTER <object>¶ 修改账户级别或数据库对象的元数据，或会话的参数。 另请参阅：CREATE <object>、DESCRIBE <object>、SHOW <objects> 语法¶ ALTER ACCOUNT SET <params> ALTER SESSION SET <params> ALTER <object_type> <object_name> <actions> Copy 其中 actions 特定于对象类型。 有关具体语法、使用说明和示例，请参阅： 账户和会话操作： :doc:`alter-account`（仅限账户管理员） :doc:`alter-session`（所有用户） 账户对象： ALTER APPLICATION ALTER APPLICATION PACKAGE ALTER AUTHENTICATION POLICY ALTER COMPUTE POOL ALTER CONNECTION ALTER DATABASE ALTER DATABASE ROLE ALTER DYNAMIC TABLE ALTER EXTERNAL ACCESS INTEGRATION ALTER EXTERNAL VOLUME ALTER FAILOVER GROUP ALTER NETWORK POLICY ALTER NOTIFICATION INTEGRATION ALTER REPLICATION GROUP ALTER RESOURCE MONITOR ALTER SECURITY INTEGRATION ALTER SHARE ALTER STORAGE INTEGRATION ALTER ROLE ALTER USER ALTER WAREHOUSE 数据库对象： ALTER AGGREGATION POLICY ALTER ALERT ALTER AUTHENTICATION POLICY ALTER EXTERNAL TABLE ALTER FILE FORMAT ALTER FUNCTION ALTER GIT REPOSITORY ALTER FUNCTION (DMF) ALTER ICEBERG TABLE ALTER LISTING ALTER MASKING POLICY ALTER MATERIALIZED VIEW ALTER MODEL ALTER MODEL ...ADD VERSION ALTER MODEL ...DROP VERSION ALTER MODEL ...MODIFY VERSION ALTER NETWORK RULE ALTER PACKAGES POLICY ALTER PASSWORD POLICY ALTER PIPE ALTER PROCEDURE ALTER PROJECTION POLICY ALTER ROW ACCESS POLICY ALTER SCHEMA ALTER SECRET ALTER SEQUENCE ALTER SERVICE ALTER SESSION POLICY ALTER SNAPSHOT ALTER STAGE ALTER STREAM ALTER STREAMLIT ALTER TABLE ALTER TABLE（事件表） ALTER TAG ALTER TASK ALTER VIEW 类： ALTER BUDGET ALTER SNOWFLAKE.ML.CLASSIFICATION