... 子模式控制结构文件 subschema control structure file 子模式控制系统 subschema control system 子模式描述 subschema description ...
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IDMS用数据字典控制系统产品的存取,用子模式控制数据的存取,使数据库不被非法用户使用。
Under IDMS, the access to system products is controled by means of a data dictionary, and data access is controled by subscheme, so as to protect IDMS data base accessed from unauthorized users.
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