A database management system is the software that allows the user to create, maintain, and report the data and file relationship.

数据库管理系统就是允许用户生成、维护以及报告数据和文件关系的软件。

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Our SNS is built upon 3 key systems including user account management system, payment system, and relationship management system.

我们的SNS是建立在3个关键系统之上的，包括用户账户管理系统，支付系统和关系管理系统。

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As electronic health records (EHR) have been getting adopted along with so-called patient portals (disclosure: my company is a patient portal and relationship management company), a consumer quickly finds themselves in a situation where they have several different user id and passwords to get at pieces of their health records.

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