Database application system is a computer application of type of dense data, whose kernel is the design of database.

数据库应用系统是数据密集型计算机应用，它的核心是数据库的设计。

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Database application system is a computer application of type of dense data, whose kernel is the design of database.

数据库应用系统是数据密集型计算机应用，它的核心是数据库的设计。

youdao