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Which of the following products was an early implementation of the...

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Introduction to Database
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Which of the following products was an early implementation of the relational model developed by E.F. Codd of IBM?

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Correct Answer: Option B
The relational model was developed by E.F. Codd at IBM.
DB2 was one of the early implementations of this relational model.
IDMS, dBase-II, and R are not early implementations of the relational model developed by E.F. Codd.
DB2 is a database management system (DBMS) that follows the principles of the relational model.
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