Module 1: Basics and Background
  Lecture 2: Advanced Database Queries
 

                                            


Example of skyline query
Object
 Dim1
Dim2
O1
7
3
O2
2
2
O3
8
5
O4
9
2
O5
4
1
O6
3
4


Dominating functions are for dimension 1 and for dimension 2.