E F Codd Developed the Relational Model in The

question 112

Multiple Choice

E. F. Codd developed the relational model in the:

• A) 1960s.
• B) 1970s.
• C) 1980s.
• D) 1990s.

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Definitions:

Gamma Rays

High-energy electromagnetic radiation emitted by atomic nuclei during radioactive decay.

Contaminated Soil

Soil that has been polluted by hazardous substances, rendering it toxic to humans, animals, or plants.

Thermodynamics

The branch of physics that deals with the relationships between heat and other forms of energy, and the laws governing the conversion of heat into work.