c# - 如何在 linq ( c# ) 中编写此查询？

Question

Select * from table
where Numero_Operacion in 
(
Select Numero_Operacion from table
group by Numero_Operacion
having count(Numero_Operacion)>1
)

谢谢！

Answer 1

会是这样的

<Table>.GroupBy(x => x.Numero_Operacion)
       .Where(x => x.Count() > 1)
       .SelectMany(x => x)