[英]What is the difference clustered vs non-clustered index when we calculate number of accesses pages?
Employee (Ssn, FirstName, LastName, Gender, Age, Salary, DepartmentID) 假設: • 沒有索引。 • 總共有8,000,000 行。 • 250,000 行在 2,500 到 3,000 的薪水范圍內。 • 每頁有100 ...