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10 Newer Entries Showing entries 31 to 40 of 324 10 Older Entries

Displaying posts with tag: NoSQL (reset)

Data Analytics at NBCUniversal. Interview with Matthew Eric Bassett.
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“The most valuable thing I’ve learned in this role is that judicious use of a little bit of knowledge can go a long way. I’ve seen colleagues and other companies get caught up in the “Big Data” craze by spend hundreds of thousands of pounds sterling on a Hadoop cluster that sees a few megabytes [...]

Lock Diagnostics and Index Usage Statistics in TokuMX v1.2.1
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TokuMX v1.2.1 introduces two simple new features to help you understand the performance characteristics of your database: lock diagnostics and index usage statistics. We’d like to take you through a few examples of what these features are and how to use them.

Lock Diagnostics

Since we introduced TokuMX, one of the most frequent complaints has been about “lock not granted” errors.  These arise when a long-running operation …

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Webinar Replay + Q&A – Developing JavaScript Applications for Node.js with MySQL and NoSQL
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On Thursday 12th September I co-presented a webinar on how MySQL Cluster delivers the key benefits of NoSQL Data Stores without having to give up the features that people rely on from relational databases (consistency, SQL etc.). There was a particular focus on how to use the new node.js JavaScript API which was recently released as part of MySQL Cluster 7.3. If you weren’t able …

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Webinar – Developing JavaScript Applications for Node.js with MySQL and NoSQL
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Note that the webinar replay + transcript of the Questions and Answers is now available from here.

On Thursday 12th September I’ll be co-presenting a free webinar on how MySQL Cluster delivers the key benefits of …

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Big Data from Space: the “Herschel” telescope.
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” One of the biggest challenges with any project of such a long duration is coping with change. There are many aspects to coping with change, including changes in requirements, changes in technology, vendor stability, changes in staffing and so on”–Jon Brumfitt. On May 14, 2009, the European Space Agency launched an Arianne 5 rocket [...]

Schema Design in MongoDB vs Schema Design in MySQL
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For people used to relational databases, using NoSQL solutions such as MongoDB brings interesting challenges. One of them is schema design: while in the relational world, normalization is a good way to start, how should we design our collections when creating a new MongoDB application?

Let’s see with a simple example how we would create a data structure for MySQL (or any relational database) and for MongoDB. We will assume in this post that we want to store people information (their name) and the details from their passport (country and validity date).

Relational Design

In the relational world, the …

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On Oracle NoSQL Database –Interview with Dave Segleau.
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“We went down the path of building Oracle NoSQL database because of explicit request from some of our largest Oracle Berkeley DB installations that wanted to move away from maintaining home grown sharding implementations and very much wanted an out of box technology that can replicate the robustness of what they had built “out of [...]

Using JavaScript and Node.js with MySQL Cluster – First steps
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We’re very pleased to announce that MySQL Cluster 7.3 has gone GA; for a full run-down of the new features and enhancements, take a look at the "MySQL Cluster 7.3 New Features for Internet-Scale Performance with Carrier-Grade Availability" white paper but this post will focus on just one of the features – the MySQL Cluster JavaScript Driver for Node.js. The post …

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On PostgreSQL. Interview with Tom Kincaid.
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“Application designers need to start by thinking about what level of data integrity they need, rather than what they want, and then design their technology stack around that reality. Everyone would like a database that guarantees perfect availability, perfect consistency, instantaneous response times, and infinite throughput, but it´s not possible to create a product with [...]

Exploring SAP HANA – Powering Next Generation Analytics
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SAP HANA , having entered the data 2.0/3.0 space at the right time, has been getting traction lately; and there will be lot of users like me who wants to[...]

10 Newer Entries Showing entries 31 to 40 of 324 10 Older Entries

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