SQL Server 的未来版本中将删除 USER_ID。避免在新的开发工作中使用此功能,并计划修改当前使用此功能的应用程序。将改用 DATABASE_PRINCIPAL_ID。
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English version
USER_ID will be removed from a future version of SQL Server. Avoid using this feature in new development work, and plan to modify applications that currently use the feature. Use DATABASE_PRINCIPAL_ID instead.