collected in a spreadsheet (an extract from the spreadsheet is shown below). The data has been normalised to first normal form already – underlined column names indicate composite primary key columns. Skill Hairdresser Skill Level Final Name Surname SkilI ID Skill Name Level ID Description Mark ID Joe Mahlasela 1 Styling 1 Basic 75 1 Joe Mahlasela 2 Shampooing 1 Basic 67 1 Joe Mahlasela 3 Cutting 2 Intermediate 98 1 Joe Mahlasela 4 Colouring 2 Intermediate 2 Martha Lebusa 1 Styling 1 Basic 76 2 Martha Lebusa 2 Shampooing 1 Basic 51 2 Martha Lebusa 3 Cutting 2 Intermediate 54 Normalise the above data to third normal form (3NF). Show all steps as well as the final answer in the form of dependency diagrams. HNN
collected in a spreadsheet (an extract from the spreadsheet is shown below). The data has been normalised to first normal form already – underlined column names indicate composite primary key columns. Skill Hairdresser Skill Level Final Name Surname SkilI ID Skill Name Level ID Description Mark ID Joe Mahlasela 1 Styling 1 Basic 75 1 Joe Mahlasela 2 Shampooing 1 Basic 67 1 Joe Mahlasela 3 Cutting 2 Intermediate 98 1 Joe Mahlasela 4 Colouring 2 Intermediate 2 Martha Lebusa 1 Styling 1 Basic 76 2 Martha Lebusa 2 Shampooing 1 Basic 51 2 Martha Lebusa 3 Cutting 2 Intermediate 54 Normalise the above data to third normal form (3NF). Show all steps as well as the final answer in the form of dependency diagrams. HNN
Chapter8: Working With Advanced Functions
Section: Chapter Questions
Problem 2.9CP
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