About this page

50 Years of Queries – Communications of the ACM

https://cacm.acm.org/research/50-years-of-queries

“E.F. Codd’s “A Relational Model of Data for Large Shared Data Banks”10 is one of the most influential papers in all of computer science. In it, Codd defined concepts that are still in widespread use today, more than five decades later, including defining the theoretical foundation of the relational...” (from the page’s text)

Topic: Technology
Quality: Quality 85 scored 12 Aug 2025
Language: english
Text on page: 52,803 characters
Page size: 195 kB
Answered: OK (200), HTML
Last read: 7 Jul 2025
In our index since: 7 Jul 2025
Safe search: Not checked yet
Links to it: 1 link from 1 site

Tools for this page

Other sites that can tell you more. Plain links: we don't track where you go.

About the site

Domain owner ICANN registration lookup
Certificates certificate transparency, subdomains
Safety check Safe Browsing status
Trackers The Markup's Blacklight
Is it down? for everyone, or just you

Discussions

Hacker News stories linking here
Reddit posts from this site
Wikipedia articles mentioning the site

For web makers

PageSpeed Lighthouse report
HTML validator W3C
Accessibility WAVE by WebAIM
Security headers

Who links to it

https://cacm.acm.org/research/50-years-of-queries “Share”

“Not rated yet” and similar notes are shown on purpose: we say what we haven't measured, so the page doesn't look emptier or better than it is.