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Which data model(s) introduced the use of a data definition language? a. Network b. Hierarchical c. Both hierarchical and network d. Neither
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Which data model(s) introduced the use of a data definition language?

a. Network
b. Hierarchical
c. Both hierarchical and network
d. Neither

User SaeX
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1 Answer

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Answer: C

Explanation: The correct answer is c) Both hierarchical and network data models introduced the use of a data definition language (DDL).

User Matheus Frik
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