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Credit Checking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

These delay are bad because they give hackers time to examine the Oracle updates, figure out what the patched vulnerability were, and then target this vulnerability on Macs.

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