Relational database
From Conservapedia
Relational databases are the most popular databases. The 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]
What an example relational database table looks like:
| 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:
- DB2, developed by IBM, which also formalized the Structured Query Language (SQL) which became the industry standard.
- Sybase
- Oracle
- Microsoft SQL Server
- MySQL
