现在，管理员可以在身份验证数据库中创建新的用户帐户、创建新的组以及把用户设置为组的成员。

At this point, the administrator can create new user accounts in the authentication database, create new groups, and assign users to be members of groups.

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例如，管理员可以决定数据库连接的最大数量，以及处理实际工作负荷应该所用的预备状态缓存空间的最优数量。

For example, an administrator can figure out what is the maximum number of database connections or optimum number for prepared statement cache size that should be used to handle a real world load.

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Oracle数据库管理员(DBA)在创建和配置rac时需要考虑与故障转移、负载平衡以及其他事项相关的诸多因素。

The Oracle database administrator (DBA) will consider many factors related to failover, load balancing, and others while creating and configuring an rac.

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