Which of the following products was an early implementation of the relational model developed by E.F. Codd of IBM?
A. IDMS
B. DB2
C. dBase-II
D. R:base
Answer: Option B
Solution (By Examveda Team)
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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The DBMS acts as an interface between what two components of an enterprise-class database system?
A. Database application and the database
B. Data and the database
C. The user and the database application
D. Database application and SQL
A. IDMS
B. DB2
C. dBase-II
D. R:base
The following are components of a database except ________ .
A. user data
B. metadata
C. reports
D. indexes
A. single-user database application
B. multiuser database application
C. e-commerce database application
D. data mining database application
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