SQL - More database everyday usage -: MySQL, Oracle, PostgreSQL ,SQLite, MSSQL Server programing knowledge (T-SQL) Best technical skill: .NET/C#/SQL everyday usage knowledge .NET, C#, Database management (by software), fast problem solving, debugging, Fully Object Oriented software's based on a global code-base, WPF, Desktop applications, Easily modifiable, MVC software architecture usage, RUP model viewed development, both program and database planning, documents, diagram's. The programing-knowledge, the object-oriented approach, the software architecture patterns use, the things could be studied only at a workplace when trying to find a solution to a real-world problem.