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SQL 3

SQL 20 C# 20

JDBC (Java Database Connectivity) 10

C# 3 Microsoft SQL-Server (MS SQL) 4 Python 1 HTML 3 CSS 3 JavaScript 3

Oracle 3

mySQL 3 Java-Frameworks 3 Java 3 HTML 3 APPC 3

JavaScript 4 React (JavaScript library) 3 Node.js 3 Python 1 SQL 3

SQL 5 Datawarehouse / DWH 5 ETL 5

Microsoft Power BI 3 Power Platform 3 C++ 5 PHP 10 mySQL 5 Microsoft SQL-Server (MS SQL) 10

SQL 1