Tag: JSON

Approaches to Query Optimization in NoSQL.

A man returned home after walking around the globe for eleven years.  Next day, when he told his wife he’s going to the corner store, she asked him: “are you taking the short route or the long one?”. Queries can...

/ May 5, 2019
couchbase mobile 2.5

Couchbase Mobile 2.5 Released

Today we are announcing the general availability of Couchbase Mobile 2.5, our most advanced NoSQL data platform for mobile applications to date. This release builds on the strong architectural foundation that was laid out with the release of Couchbase Mobile...

The Unreasonable Effectiveness of SQL

Two score and five years ago two young IBM researchers brought forth on databases, a new language, conceived in relational, dedicated to the proposition that data can be manipulated declaratively and easily.   In the years since Don Chamberlin and Ramond...

/ April 2, 2019

N1QL: To Query or To Analyze?

Note: This recommendation note was written in collaboration with Till Westmann and Mike Carey, who lead the Couchbase analytics R&D. [Part 2 of this article by Even Pease is at: https://blog.couchbase.com/part-2-n1ql-to-query-or-to-analyze/] Couchbase’s Query and Analytics Services both support N1QL (SQL...

/ January 24, 2019

JSON to Insights: Nobel Prize Winners dataset.

Nobel prizes are announced over a week in October and the award ceremony is today, December 10th (“It’s already tomorrow in Australia”). There is an interesting story of the how C. V. Raman (of Raman effect) booked his ticket to...

/ December 9, 2018

JSON to Insights: Analyzing US healthcare Data.

“Nothing is certain except for death and taxes.” This isn’t a dataset made with a bed of roses or manicured green grass. A bit more serious. Let’s see if we can quickly learn anything here. The dataset is the following. “name”...

/ December 7, 2018

JSON to Insights: Fast and Easy

Co-author:  Sitaram Vemulapalli, Principal Engineer, Couchbase R&D. “The answer my friend is hiding in JSON” – Bob Dylan There are a lot of public JSON datasets and then is awesome JSON datasets. Every company, including yours, has stored a lot of...

/ December 1, 2018

Understanding Cross Datacenter Replication (XDCR) – Part 1

If you have any familiarity with Couchbase, you definitely know XDCR. If you use Couchbase for any of your applications, you are very likely using XDCR. I wouldn’t be wrong if I said, XDCR is indeed one of our customers’...

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On Par with Window Functions.

  Use golf analogy when explaining to executives. Use a car analogy for all others.  — Confucius. The purpose of window functions is to translate the business reporting requirements declaratively and effectively to SQL so query performance and developer/business-analyst efficiency...

/ November 22, 2018

It’s the workload, stupid!

As an application architect, eventually, you’d to choose the database or database service to power your newest application or a micro-service. Selecting one of the databases among relational databases was easier.  The use cases were roughly divided into OLTP and...

/ November 14, 2018