# IBM SQL/DS

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[SQL/DS](/source/SQL/DS) redirects here

**SQL/DS**[1] (Structured Query Language/Data System),[2] released in 1981, was [IBM](/source/IBM)'s first commercial relational-database management system.[3] It implemented the [SQL](/source/SQL) database-query language.

SQL/DS ran on the [DOS/VSE](/source/DOS/VSE) and [VM/CMS](/source/VM_(operating_system)) operating systems.[4] A little later, IBM also introduced [Db2](/source/IBM_DB2), another SQL-based DBMS, this one for the [MVS](/source/MVS) operating system. The two products have coexisted since then; however, SQL/DS was rebranded as "DB2 for VM and VSE" in the late 1990s.[5]

## Third party software

[Software AG](/source/Software_AG)'s *Natural* [4GL](/source/4GL) was an early [third-party software product](/source/Proprietary_software) that facilitated using *SQL/DS*. *Software AG* used the name *Natural 2/SQL-DS* and, later on, for a related offering, *Natural 2/DB2*.[6][7]

## References

1. ["SQL/DS"](https://www.encyclopedia.com/computing/dictionaries-thesauruses-pictures-and-press-releases/sqlds). *[encyclopedia.com](/source/Encyclopedia.com)*

1. ["SQL/DS Version 3 Release 5"](http://www.vm.ibm.com/related/sql0612.html). 8 February 1999.

1. S. Sumathi, S. Esakkirajan (13 Feb 2007). *Fundamentals of Relational Database Management Systems*. Springer. ISBN 978-3540483977. The product was called SQL/DS (Structured Query Language/Data Store) and ran under the DOS/VSE operating system environment

1. Hershel Harris (2013). ["SQL/DS: IBM's First RDBMS"](https://dl.acm.org/doi/abs/10.1109/MAHC.2013.28). *IEEE Annals of the History of Computing*. **35** (2): 69–71. [doi:10.1109/MAHC.2013.28](https://doi.org/10.1109/MAHC.2013.28). [S2CID 28190519](https://api.semanticscholar.org/CorpusID:28190519)

1. ["DB2 Connect User's Guide"](https://www.columbia.edu/sec/acis/db2/db2c0/db2c026.htm)

1. "NATURAL 2/SQL-DS, NATURAL 2/DB2". *[Computerworld](/source/Computerworld)*. October 26, 1987.

1. ["Natural for SQL/DS"](https://documentation.softwareag.com/natural/nat426mf/dbms/nsq-over.htm)

## External links

- [SQL Reunion 1995: System R, SQL/DS](http://www.mcjones.org/System_R/SQL_Reunion_95/sqlr95-Prehisto.html#Index71.)
- [A History and Evaluation of System R](http://www.cs.berkeley.edu/~brewer/cs262/SystemR.pdf)

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Adapted from the Wikipedia article [IBM SQL/DS](https://en.wikipedia.org/wiki/IBM_SQL%2FDS) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/IBM_SQL%2FDS?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.