I need all of these questions done accuracy is key 

 

Chapter 5 PracTce Problems1.Draw the arrow diagram and the matrix representaTon for the following relaTon on the set {2,4,6,8}: R ={(2, 2), (2, 4), (2, 6), (4,4), (4,6), (6, 6), (6, 8), (8,8)}.2.State whether the relaTon in #1 is reFexive, transiTve, symmetric, or anTsymmetric.3.Consider the following small database whose records correspond to Fights deparTng from an airport.Airline±light numberGateDesTnaTonDeparture Tme±lyRight12234Detroit08:10JetGreen22122Denver08:17JetGreen12233Anchorage08:22JetGreen32334Honolulu08:30±lyRight19913Detroit08:47JetGreen22222Denver09:10±lyRight32234Detroit09:44a.Are the a²ributesAirlineandDesTnaTona key for this database?b.Give examples of two separate sets of a²ributes that are keys for this databasec.Show the results of the operaTon SELEC³[Airline="JetGreen"∧DesTnaTon="Denver"]d.Show the results of the operaTon PROJEC³[ Airline, Gate ]e.Show the results of the operaTon SELEC³[DesTnaTon="Denver"] followed by Project[Gate]f.What operaTon or operaTons should be performed if you wanted to know which airlines use gate22?g.What operaTon or operaTons should be performed if you wanted to know whether there are anyFights to Detroit deparTng before 9:10?4.Write an algorithm in pseudo-code with the following input and output:Input: a1, a2,..., an, a sequence of numbers.Output: ³he smallest number in the sequence.5.Write the output for the following psuedocode.

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