Interface with Call account system.
接口支持电话计费系统。
In order to introduce Magnus to SQL-land, I need to first define my relational tables, which (predictably) I'll call account and location. That's shown in Listing 1.
为了让Magnus程序使用SQL数据库,我需要首先定义我的关系表,(可以预测)它将调用account和location。
Our salesmen call on their best account twice a month.
我们的销售人员每月访问最好的客户两次。
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