Posts by MARCOS DAVID ALMEIDA DE SOUSA • 3 points
2 posts
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viewsQ: How can I correct the error in the query? [URI 2992 Higher Average Wage Divisions]
25% URI error. Why is the query not ordering? My query: select distinct on (de.nome) de.nome as name_dep, di.nome as name_div, coalesce(round(avg(ve.valor), 2) , 0) as avg_salary from departamento…
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viewsQ: In Java, getter and abstract Setter is correct?
I have an abstract parent class Usuario. And a daughter class Usuario_Adulto. The attribute idade is in the abstract class Usuario. To validate it I made a method Setter abstract in the parent…