Exist

eXist-db is an open source software project for NoSQL databases built on XML technology. It is classified as both a NoSQL document-oriented database system and a native XML database. Unlike most relational database management systems and NoSQL databases, eXist-db provides XQuery and XSLT as its query and application programming languages. eXist-db is released under version 2.1 of the GNU LGPL.

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People Who Don't Exist Look More Real Than Actual People, Study Finds

Thanks to inbreeding, bulldogs and pugs may not exist much longer, experts say

These 5 Traces of Ancient Ancestors Still Exist in Human Bodies Today

Wolf Packs Suffer When Humans Kill Their Leaders - "A new study shows that when people kill wolves, their pack becomes less stable and can disband and cease to exist."

Modification to Shor's algorithm may mean less powerful quantum computers (of a kind that doesn't exist yet) could crack cryptosystems

We Exist Inside a Giant Space Bubble, And Scientists Have Finally Mapped It

Astronomers find evidence for hypermassive neutron stars, which are objects so massive and dense they shouldn’t even exist.

ISS astronauts are building objects that couldn't exist on Earth

Do quantum universes really exist?

Why time-traveling tachyons probably don't exist

Earth is the only known place in our solar system where fire occurs, and no known exoplanets have enough oxygen to allow fire to exist.

Why the laws of physics don't actually exist

The Next Great Overdose-Reversing Drug Might Already Exist

How did so many giant meat-eating dinosaurs co-exist in the Jurassic?

Colliding Neutron Stars Created a Neutron Star We Thought Too Heavy to Exist

Does the infinite exist inside black holes? | Live event with David Deutsch, George Ellis, Sara Walker, Robert Lawrence Kuhn, Marcus du Sautoy on November 7th

Simulation Suggests 68 Percent of The Universe May Not Actually Exist

Extremophiles on Mars could survive for hundreds of millions of years. The findings increase the probability that microbial life could still exist on the Red Planet.

Can cats and coyote co-exist?

Can Cats and Coyote Co-Exist? Surprising Findings From Suburban Los Angeles