Select employee with second-highest salary?

Short answer: Select employee with second-highest salary var secondHighest = employees .OrderByDescending(e => e.Salary) .Skip(1) .FirstOrDefault(); ✅ Skips the top salary and selects the next one.

Explain a bit more

Select employee with second-highest salary var secondHighest = employees .OrderByDescending(e => e.Salary) .Skip(1) .FirstOrDefault(); ✅ Skips the top salary and selects the next one. Select employee with second-highest salary var secondHighest = employees .OrderByDescending(e => e.Salary) .Skip(1) .FirstOrDefault(); ✅ Skips the top salary and selects the next one.

Real-world example (ShopNest)

ShopNest maps entities to DTOs with .Select(o => new OrderSummaryDto { Id = o.Id, Total = o.Total }) so the API does not leak internal fields.

Say this in the interview

1. Define — one clear sentence (the short answer above).
2. Example — relate it to a project like ShopNest or your real work.
3. Trade-off — when you would not use it.