1. Climatologic Factors and Weather Analysis for Tourism and Meteorological Stations University of Southern Denmark The Faculty of Engineering The Mærsk Mc-Kinney Møller Institute Bachelor of Engineering, Computer Engineering Supervisor: Steffen Peter Skov Student: Marius-Iulian Mihailescu 22.06.2009 Odense, Denmark

5. General Structure Ideea Three-tier Architecture 5 Presentation Layer Business (Application) Layer Storage Layer

6. System Visual Architecture 6 Customer (s) Home users (e.g. tourists) Weather Men Chief Weather Man Application Administrator Database Database Software (server) Institute, Weather Agency, Weather Station Legend 1 -> Weather System 2 -> Web Application System Internet 2 1

9. Why Windows Presentation Foundation ? 9

11. LINQ Architecture 11 LINQ-Enabled ADO.NET LINQ-Enabled Data Sources C# Visual Basic Other lang. .NET Language Integrated Query (LINQ) LINQ to objects LINQ to XML LINQ to Datasets LINQ to Entities LINQ to SQL

12. How LINQ works ? Objects Rows LINQ Query SQL Query from rec in u.users where rec.first_name == “Marius Iulian” select rec.Single<user>(); SELECT first_name FROM users WHERE first_name = ‘Marius Iulian’ SubmitChanges() DML or Stored Procs INSERT INTO dbo.temperature_diagram…… UPDATE dbo.temperature_diagram…… DELETE FROM dbo.temperature_diagram…… db.temperature_diagrams.Add(c1); c2. hours_values = hours; db.temperature_diagrams.Remove(c3); 12 SQL Server LINQ to SQL Application SQL Server LINQ to SQL Application

15. Thank you for your attention Marius Iulian Mihailescu [email_address] [email_address]