授予和撤消数据库权限。
要撤消数据库级权限，使用revoke语句。
To revoke database level authorities, use the revoke statement.
如何：撤消数据库重构操作。
以相似方式作为数据库特权授予和撤消数据库级权限（比如 DBADM、CONNECT、CREATETAB 和LOAD）。
The database level authorities, such as DBADM, CONNECT, CREATETAB, and LOAD, are granted and revoked in a similar way as database privileges.
表3总结了对于用户或用户组可以授予和撤消的数据库权限类型。
Table 3 summarizes the types of database authorities that can be granted to and revoked from users or groups of users.
Jaya将执行以下步骤来撤消Eric部署到数据库的更改。
Jaya would perform the following steps to undo the changes that Eric deployed to the database.
如果前滚集前滚得不够远，无法与数据库一致，则不会出现撤消阶段。
If the roll forward set has not been rolled forward far enough to be consistent with the database, the undo phase cannot occur.
使用全局撤消功能，可以在应用任何数据库重构操作之后撤消更改。
You can use the global undo functionality to undo the changes after you apply any of the database refactoring operations.
使用全局撤消功能，可以在应用任何数据库重构操作之后撤消更改。
You can use the global undo functionality to undo the changes after you apply any of the database refactoring operations.
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