Cockroach Labs CEO: Diverse database models are essential
Briefly

There are real benefits to the way MongoDB does things, and that's why a lot of developers like it. Developers prefer it; it just makes those early stages of application development really breezy.
Despite recent CockroachDB developments, Kimball said the rapidly growing database market supports a range of approaches, including NoSQL systems such as the document-oriented MongoDB.
Typically, that has driven customer choice, where they come to the table with a workload or use case and they'll be clear what they can do with Mongo.
The CockroachDB system boasts a near PostgreSQL-compatible front end with a distributed back end, making it resilient and consistent on a global scale.
Read at Theregister
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