What does a production engineer do?

What are the Database Systems (historical, educational, in-production ) an engineer must be familiar with?

  • What are some good database systems(historical, educational, research, production) that should not be ignored? Please include the reason as well. There have been similar discussions on programming languages:

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System R is interesting from an historical perspective as it was the first RDBMS.

Neil Robbins

For getting a job in the commercial arena: Oracle, SQL Server, and Teradata Oracle has many sophisticated features and a large community of talented DBAs. It is expensive and worth the money. SQL Server is used by companies who are unwilling to pay Oracle's high price. It is a poor man's Oracle. Teradata is a feature-poor database favored for Big Data and Business Intelligence. It is a triumph of marketing and image over technology. CEOs choose it based on articles in airline magazines.

Robert Wagner

I think Relational Systems are important to know. There are good books that cover the development of this technology and the theory. Today, they are the most popular database technology. If I were teaching a course on database systems, I would also include Hierarchical and Network (CODASYL) databases as well. They were popular before Relational and I think it is good to know some of their history. Moving forward in time, some understanding of other database developments over the past 20 years or so would also be useful. For example, Object Databases, XML Databases, Column-Oriented Databases. More recently, we see the development of NoSQL databases.

Akmal Chaudhri

Oracle, SQL Server, MySql, DB2, PostGre SQL

Jack Menendez

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