Базы данных лекция №4

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    13-Feb-2017

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  • 4 . . .

  • 5. "" . , .1. , , . , , .2. - . . .3. . , , . .4. , - .

  • , Datacom/DB AppliedDataResearch,Inc.(ADR), IBM, Adabas Software AG. , ().

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  • ( ) Information Management System (IMS) IBM. 1968 . , , .

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  • IntegratedDatabaseManagementSystem(IDMS) Cullinet Software, Inc., IBM . Data Base Task Group (DBTG) Conference on Data Systems Languages (CODASYL), , . DBTG 1971., 70- , IDMS.

  • . - ; . P L; C , L.

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