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An apartment (where there are 20 flats) in smart city has approached you to improve their cost- savings in reducing the energy and water consumption.

An apartment (where there are 20 flats) in smart city has approached you to improve their cost- savings in reducing the energy and water consumption. The attributes can be number of persons in a flat, month (season based usage), time of usage etc. Depict the same using relational and semantic data model using the following software

Software : Any DB design tools can be used

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