Another Oracle instance, called the credit Checking server, tracks customers with bad credit history and is accessible from the federated system.

另一个名为CreditChecking服务器的Oracle实例跟踪具有不良信用历史的客户，这个实例可以从联邦系统中访问到。

youdao

For example an oracle user might choose "select table_name from user_tables" - which is a query that should never fail - unless the connection is actually bad.

例如，一个Oracle用户可以选择“从user _ tables选择表格名”-这是一个查询，绝不能失败-除非该连接实际上是坏的。

youdao

For example an oracle user might choose "select table_name from user_tables" - which is a query that should never fail - unless the connection is actually bad.

例如，一个Oracle用户可以选择“从user _ tables选择表格名”-这是一个查询，绝不能失败-除非该连接实际上是坏的。

youdao