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A comment on How did SQL get so popular?. Parent comment

Re:How did SQL get so popular? by kragen on Wednesday June 03, 2009 @09:32PM (#640799)
Relational databases were invented in 1970. The basic design for most of the popular RDBMSs today (Oracle, DB2, Ingres → Postgres, Sybase) was created in the 1980s. In 1982 you could buy a 5MB Winchester disk for US$2000. A terabyte of disk therefore would have cost US$400 million.

This is not what relational databases were designed for.

Otherwise your comment is correct.

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Re:How did SQL get so popular? by silentbicycle on Thursday June 04, 2009 @11:06AM (#641506)
Hence, "are designed", not "were designed".

Interesting data point, by the way. I have a little USB flash drive that stores 4 GB. It was about $10. That's probably more disk storage than existed in the entire world until Y years ago -- any idea what year?

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