Relational database

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Relational database software manages information in tables, as well as the links between related records in these tables. "Dr. Edgar Frank Codd invented the relational database while working for IBM in 1970."[1]

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.
  • Sybase
  • Oracle
  • Microsoft SQL Server
  • MySQL