PostgreSQL_CE
PGCES-02 · Question #100
PGCES-02 Question #100: Real Exam Question with Answer & Explanation
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Question
Select one incorrect statement concerning the relational data model.
Options
- AIt expresses the real world in a collection of 2-dimensional tables called a relation.
- BIt is a model based on set theory.
- CIt has a logical structure independent of physical data structure.
- DIt is made up of a multiple stage hierarchy where each of the set elements has parent child
- EIt is a model that was proposed by E.F. Codd in 1970.
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