Update skyline-or-pareto-frontier-using-SQL.md

Author: structured-query-language

skyline-or-pareto-frontier-using-SQL.md

@@ -113,6 +113,10 @@ WHERE rank1 = 1 OR rank2 = 1 OR rank3 = 1;
 | e        | 4      | 100   | 2                    | 1     | 5     | 4     |
 
 
+Conclusion
+The skyline query processing is widely adopted in many applications that require multi-criteria decision making such asmarket research, location based systems, web services study, etc. The skyline operator filters out a set of interesting points based on a group of evaluation criteria from a large set of points. A point is considered as interesting, if there does not exist a point that is at least as good in all criteria and better in at least one criterion. SQL can be used to perform a Skyline Query on multi-demension datasets stored in Relational Database. We saw 3 differents ways SQL can be used to write the Skyline Query.
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 # See also
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