Data base

Project management 8 Project management (IT) 8 Microsoft SQL-Server (MS SQL) 6 Microsoft Power BI 5 Microsoft SQL Server Reporting Services (SSRS) 4 SAP Crystal Reports 5 ERP consulting 7 Enterprise project management (EPM) 4

Excel 10 Python 7 SQL 7 R (programming language) 5 IBM SPSS Statistics 10

PHP 10 HTML 10 Microsoft Access 5

JavaScript 21 ASP.NET 21 ASP 21 C# 21 SQL 21 HTML5 16 HTML 21 CSS (Cascading Style Sheet) 21

SQL 30

SQL 12

Oracle Database (RDBMS) 2 ASP.NET 3

Go (programming language) 1 Python 1 PostgreSQL 1

SQL 20

JavaScript 3 React (JavaScript library) 3 PostgreSQL 3 Node.js 3