ISBL

Print Print
Reading time 0:57

ISBL (Information Systems Base Language) is the relational algebra notation that was invented for PRTV, one of the earliest database management systems to implement E.F. Codd's relational model of data.

Example

OS = ORDERS * SUPPLIERS
LIST OS: NAME="Brooks" % SNAME, ITEM, PRICE

See also

  • IBM Business System 12 - An IBM industrial strength relational DBMS influenced by ISBL. It was developed for use by customers of IBM's time-sharing service bureaux in various countries the early 1980s.

External links


Stub icon

This computer science article is a stub. You can help Wikipedia by expanding it.

By: Wikipedia.org
Edited: 2021-06-19 12:42:45
Source: Wikipedia.org

© 2025 CodeDocs.org
 Privacy Policy • Contact Us • Terms of Use