Which of the following products implemented the CODASYL DBTG model?
A. IDMS
B. DB2
C. dBase-II
D. R:base
Answer: Option A
Solution (By Examveda Team)
Option A: IDMSThis option is correct. IDMS (Integrated Database Management System) implemented the CODASYL DBTG model. The CODASYL DBTG (Conference on Data Systems Languages, Data Base Task Group) model was designed to standardize approaches to data definition, manipulation, and access in network databases.
Option B: DB2
This option is incorrect. DB2 implemented the relational model, not the CODASYL DBTG model.
Option C: dBase-II
This option is incorrect. dBase-II is a relational database management system for microcomputers and does not implement the CODASYL DBTG model.
Option D: R:base
This option is incorrect. R:base is a relational database management system and does not implement the CODASYL DBTG model.
Conclusion:
The product that implemented the CODASYL DBTG model is IDMS, making Option A: IDMS the correct answer.

what is CODASYL DBTG and IDMS
OPTION A -SHOULD BE RDBMS NOT IDBMSITS WRONG
what is CODASYL DBTG model?