ISBL

The article you are about to read is about ISBL, a topic that has captured the attention of many people in recent times. ISBL is a topic that has generated debate, interest and curiosity in different areas. It has been the subject of study, controversy and speculation, and its impact has been significant in today's society. In this article, we will explore different aspects related to ISBL, from its origin to its possible consequences. We will analyze its influence on popular culture, politics, science and everyday life. We will also examine different perspectives on ISBL, in order to offer a comprehensive and enriching vision of this very relevant topic. Through deep and detailed analysis, we will try to shed light on ISBL and its importance in the current scenario.

This article does not cite any sources. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. Find sources: "ISBL" – news · newspapers · books · scholar · JSTOR (September 2016) (Learn how and when to remove this message)

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 in the early 1980s.

External links

• Sample ISBL usage

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

• v
• t
• e