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。
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。
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