Computers and Technology, 30.01.2021 06:00 jefarmjefarm9659
Considere a relação R (A, B, C, D, E) e o conjunto de dependências G = {{A, B} → {D},{B, C} → {A},{D, E} → {C}. Assinale verdadeiro ou falso para cada uma das alternativas abaixo e justifique.
a) ABC é chave candidata.
b) AB é chave candidata.
c) DE é chave candidata.
d) DBE é chave candidata.
Answers: 3
Computers and Technology, 21.06.2019 18:30, oceanbrezze85
Ayear in the modern gregorian calendar consists of 365 days. in reality, the earth takes longer to rotate around the sun. to account for the difference in time, every 4 years, a leap year takes place. a leap year is when a year has 366 days: an extra day, february 29th. the requirements for a given year to be a leap year are: the year must be divisible by 4if the year is a century year (1700, 1800, the year must be evenly divisible by 400some example leap years are 1600, 1712, and 2016.write a program that takes in a year and determines whether that year is a leap year. ex: if the input is 1712, the output is: 1712 is a leap year. ex: if the input is 1913, the output is: 1913 is not a leap year.
Answers: 2
Computers and Technology, 22.06.2019 19:30, ibrahimuskalel
Avariable definition defines the name of a variable that will be used in a program, as well as
Answers: 3
Computers and Technology, 22.06.2019 23:30, jhonpiper
For her science class, elaine is creating a presentation on weather in the united states. she wants to make the presentation beautiful and interesting by drawing simple cloud or wave shapes. which is the best way for elaine to draw these shapes?
Answers: 1
Considere a relação R (A, B, C, D, E) e o conjunto de dependências G = {{A, B} → {D},{B, C} → {A},{D...
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