The database must support at least one clearly defined language that includes functionality for data definition, data manipulation, data integrity, and database transaction control.
数据库必须支持至少一个确切的定义语言包括数据定义，数据操纵，数据完整和数据库事务控制等功能。
Those coordinator and participant services are described as port types as defined by the Web Services Definition Language (WSDL) in the WS-Transaction specification.
这些协调服务和参与服务在 WS-Transaction 规范中通过 Web 服务描述语言（ WSDL）以端口类型的形式来描述。
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