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Added example (copied from SQL article)
"Dr. Edgar Frank Codd invented the relational database while working for IBM in 1970."<ref>[http://www.artfulsoftware.com/mysqlbook/sampler/mysqled1ch01.pdf Get It Done With MySQL]</ref>
"Dr. Edgar Frank Codd invented the relational database while working for IBM in 1970."<ref>[http://www.artfulsoftware.com/mysqlbook/sampler/mysqled1ch01.pdf Get It Done With MySQL]</ref>
What an example relational database table looks like:
{| class="wikitable"
|-
! customer_id !! last_name !! first_name !! city
|-
| 10039 || Smith || John || Huston
|-
| 10178 || Cole || Christen || Wortham
|-
| 10052 || Franks || Andrew || Austin
|-
| 10131 || Klinfelt || Mark || Thornberry
|-
| 10014 || Franklin || Mary || Austin
|}
==Well-known Relational Databases==
The most well-known '''relational database management systems''' (RDBMS) are:
The most well-known '''relational database management systems''' (RDBMS) are:
*[[DB2]], developed by IBM, which also formalized the Structured Query Language ([[SQL]]) which became the industry standard.
*[[DB2]], developed by IBM, which also formalized the Structured Query Language ([[SQL]]) which became the industry standard.