Broadly, NoSQL has an absence of strict schemas for entities/attributes, while SQL rigidly relates/regulates the two.
BLOG@CACM
Advertisement
Tips for Successful Examinations in the Age of Remote Education
Rather than fancying you can control Internet access, design exams to reward students who won't need it.
How I Evaluate a College Computer Science Teaching Record
Teaching is a skill, and the best teachers use the best methods.
The Skills Students Gain in Online Learning
The Corona Year as an opportunity for science and engineering students to practice 21st century skills.
Auditing AI and Autonomous Systems; Building an Infrastructure of Trust
How do we build trust? How can we systematically assure trust in our systems? How would auditing AI and autonomous systems contribute to this goal?
Explaining how the world's most famous accounting/audit disaster—Enron—exemplifies the merits of Independent Audit and helps illustrate how a robust system of oversight is essential to building trust.
What exactly is NoSQL, and why should it matter in today's hyper-connected society?
Identifying publications for first-year research requires some digging and some non-standard choices.
Project Managers Shouldn’t Trust Their Programmers. Do This Instead
Don't simply trust and pay your programmers. Why? Because you may end up losing. Instead, you need to validate and review the work performed. Doing so set you up for winning. Here's why.
The Cross-Sectorial Collaborative Shared Value Strategy
A new strategy – cross-sectorial collaborative shared value – aims to increase the impact of the organization’s social investments.
What Liberal Arts and Sciences Students Need to Know About Computing
Defining goals for computing education beyone CS and Informatics offerings.
Computers for Learning: Charisma that Fails to Disrupt?
Two books examine why large-scale learning technology often doesn’t achieve expectations. Technology can improve learning at scale, but charismatic stories about learning technology too often distort the conditions for success.
Teaching Critical Computing is a Grand Challenge for the Whole CS Curriculum
We need to prepare our students' to have a critical perspective on computing, and that requires changing the curriculum, not just a course.
Konrad Zuse’s Guestbook: a Treasure Trove
Computer scientist Konrad Zuse created the world's first programmable computer, the functional program-controlled Turing-complete Z3.
From Solar Sunrise to SolarWinds
The hack of critical departments of the U.S. government—and of many leading corporations—should come as no surprise.
The Personal Software Process encourages programmer discipline. Largely forgotten, it does have a few wrinkles, but understanding and applying its core ideas remains as fruitful as ever.
The Year-Round Joys and Benefits of Open Source Software
One of the things that makes us programmers feel warm and fuzzy is open source software. Companies support open source too. Why give something away for free? A lot of individuals contribute open source code out of a genuine sense of altruism. Yet when it comes to companies, it’s often a strategic choice, and one they expect to benefit from. Let's review how companies benefit from open source.
Computer Systems Research: The Joys, the Perils, and How to Count Beans Well
This post is meant to highlight my subjective take on the joys and the road bumps on the way to doing innovative work in computer systems.
Which birthdays would have special significance if our culture were binary-based instead of decimal-based?
Pitting Computers Against Each Other . . . in Chess
Guest blogger Monroe Newborn on the 50th anniversary of ACM computer chess tournaments.
Dijkstra Was Wrong About ‘Radical Novelty’: Metaphors in CS Education
The most cited CS education paper is, unfortunately, wrong.
Shape the Future of Computing
ACM encourages its members to take a direct hand in shaping the future of the association. There are more ways than ever to get involved.
Get InvolvedCommunications of the ACM (CACM) is now a fully Open Access publication.
By opening CACM to the world, we hope to increase engagement among the broader computer science community and encourage non-members to discover the rich resources ACM has to offer.
Learn More