Question: Please solve all the questions E4.6 Consider the following relation with sample data. DEPARTMENT OF TRANSPORTATION (DOT) PROJECT TABLE ProjectiD ProjectName CountylD County name ProjectManageriD

Please solve all the questions

E4.6 Consider the following relation with sample data. DEPARTMENT OF TRANSPORTATION (DOT) PROJECT TABLE ProjectiD ProjectName CountylD County name ProjectManageriD ProjectMenagerName ProjectMilesWithinCounty Road X Road X Road X Road Y 3 Bridge Bridge A 2 Tunnel Q 2 M1 M1 M1 M2 M3 M3 M1 M4 Bob Bob Bob Wilson 10.00 17.00 Ottawa Davis Davis 12.00 23.00 0.50 0.30 2.00 23.00 Ottawa Ottawa Bob Bob 5 Road W 4 Each project has one project manager. A project manager can manage several projects. The DEPARTMENT OF TRANSPORTATION (DOT) Project Table captures the data about projects and their length (in miles) e A project can span across several counties This table records the length of the project in a county in the ProjectMilesWithinCounty column Each project has a unique Project ID and Project Name. Each county has a unique County ID and County Name. Each project manager has a unique Project Manager ID and Project Manager Name

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