One size fits all or one size fits none? The relational database model was invented by Ted Codd in the early 1970’s. There were a few early prototypes built, but the model became mainstream when IBM built and marketed DB2 in 1984.

By the early 1990’s, relational database systems began to be considered the standard and the only way to solve all database0related problems. It didn’t matter what kind of workload one needed to support – relational databases were considered the panacea. In other words, a “one size fits all” concept evolved and stayed until mid to late 2000’s.

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