Databases Relational databases Non-relational databases Encryption mechanisms Authentication mechanisms Authorization mechanisms Data exchange protocols and formats (SOAP) Data exchange protocols and formats (JSON) Data exchange protocols and formats (XML) Oracle SOA Suite IBM Integration Bus Other integration platforms Data exchange protocols and formats (REST) Data exchange mechanisms Principles underlying data buses Architectural solutions for data buses SQL language C# Other programming languages Apache Kafka RabbitMQ MuleSoft Data exchange protocols and formats (others) Oracle Data Integrator Data security principles Java

higher mathematics OOP in other languages SQL basic principles of OOP OOP in C# OOP in Java

OOP (Object-Oriented Programming) concepts Java programming language C# programming language REST (Representational State Transfer)

Java application software development Oracle SQL queries SQL query optimization Linux administration Writing scripts C# application software development