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6 September, 16:18

In many DBMSs where no strict separation of levels is maintained, this one language is used by the DBA and database designers to define both the conceptual and internal schemas. Otherwise, it is used to specify the conceptual schema only. True or False.

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  1. 6 September, 19:44
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    Answer: False

    Explanation:

    This means that the mappings between the two schemas may be specified in either one of these languages. In most relational DBMSs today, there is no specific language that performs the role of SDL. Instead, the internal schema is specified by a combination of functions, parameters, and specifications related to storage. These permit the DBA staff to control indexing choices and mapping of data to storage
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