NoSQL Zone is brought to you in partnership with:
  • submit to reddit
Rishav Rohit11/25/14
1951 views
0 replies

Writing Complex MongoDB Queries Using QueryBuilder

MongoDB provides a lot of query selectors for filtering documents from a collection. Writing complex queries for MongoDB in Java can be tricky sometimes.

Kai Wähner11/25/14
1673 views
0 replies

Real World Use Cases and Success Stories for In-Memory Data Grids

Use Cases and Success Stories for In-Memory Data Grids, e.g. TIBCO ActiveSpaces, Oracle Coherence, Infinispan, IBM WebSphere eXtreme Scale, Hazelcast, Gigaspaces, GridGain, Pivotal Gemfire (Presentation by Kai Wähner at NoSQL Matters 2014 in Barcelona) - NOT SAP HANA :-)

Shane Johnson11/21/14
1717 views
0 replies

Interview with the Ghost of MongoDB Scalability

Have you heard the rumors about the Ghost of MongoDB Scalability? Do you know someone who came close to finding it? Have you been haunted by it? These are the questions that keep me up at night.

Francesca Krihely11/21/14
1817 views
0 replies

Zero to 1 Billion Records: A True Story of Learning and Scaling MongoDB at GameChanger

In his talk "Zero to 1 Billion+ Records: A True Story of Learning & Scaling GameChanger", Kiril Savino charts the course of GameChanger's increasingly sophisticated use of MongoDB as they grew in popularity and faced increasing scale requirements.

Francesca Krihely11/20/14
2646 views
0 replies

MongoDB vs SQL: Day 1-2

This will be the first post in an ongoing series based on our popular webinar about the differences in building an application using SQL versus building the same application using MongoDB.

Markus Winand11/19/14
5500 views
1 replies

Seven Surprising Findings About DB2

I’ve just completed IBM DB2 for Linux, Unix and Windows (LUW) coverage here on Use The Index, Luke as preparation for an upcoming training I’m giving. This blog post describes the major differences I’ve found compared to the other databases I’m covering (Oracle, SQL Server, PostgreSQL and MySQL).

Francesca Krihely11/18/14
3182 views
0 replies

Hybrid Deployments with MongoDB and MySQL: 3 Examples

In the case of existing MySQL-based applications, there are plenty of users who have added MongoDB in a hybrid deployment environment to deliver specific functionality and modernization.

G. Ryan Spain11/17/14
4455 views
0 replies

The Best of the Week (Nov. 07): NoSQL Zone

Make sure you didn't miss anything with this list of the Best of the Week in the NoSQL Zone (November 07 - November 14). Including Centrify and MongoDB integration, Indexing in Neo4j, and Tag-Aware sharding.

Gen Furukawa11/14/14
3930 views
0 replies

The eBay Secret to Database Scaling

eBay uses MongoDB to perform a number of tasks involving large amounts of data. Such projects include search suggestions, cloud management, storage of metadata, and the categorization of merchandise.

Francesca Krihely11/13/14
3641 views
0 replies

Four Ways to Optimize Your Cluster With Tag-Aware Sharding

Tag-aware sharding is a very versatile feature: it can be used to maximize the performance of your cluster, optimize storage, and implement data center-awareness in your application. In this post, we’ll go through a few use cases for tag aware sharding.

Stefan Armbruster11/12/14
3795 views
0 replies

Deep Dive on Fulltext Indexing with Neo4j

A common requirement for a lot of projects is the usage of fulltext indexes. With current versions of Neo4j (2.1.5 as of now) this can only be accomplished with the usage of manual indexes. In this article I want to explain how you can use language specific analyzers for fulltext indexing and how to do regex searches for those.

Andreas Kollegger11/11/14
2765 views
0 replies

GraphConnect: A Twitter Recap

GraphConnect 2014 attendees took to twitter to share their excitement about the conference and the graph database space. Here’s a look back at (some of) the cool things that stuck out during the day.

G. Ryan Spain11/10/14
3887 views
0 replies

The Best of the Week (Oct. 31): NoSQL Zone

Make sure you didn't miss anything with this list of the Best of the Week in the NoSQL Zone (October 31 - November 07). Including Neo4j Null Characters, aggregation in MongoDB, and using REST to blend NoSQL and SQL data.

Gen Furukawa11/08/14
2010 views
0 replies

Could Database as a Service Be What Saves Microsoft's Bacon?

DBaaS may serve as the cornerstone of Microsoft's reconstitution into a developer-services provider.

Francesca Krihely11/07/14
4439 views
0 replies

MongoDB LDAP and Kerberos Authentication with Centrify

The use of Centrify’s Active Directory integration with MongoDB greatly simplifies setup process and allows MongoDB to seamlessly integrate into the most complex Active Directory environments found at enterprise customer sites with hundreds or thousands of employees.

Burke Holland11/06/14
3558 views
2 replies

Red Pill or Blue Pill? Choosing Between SQL & NoSQL

Thousands of internet debates are dedicated to the SQL vs NoSQL fight. But does it have to be a fight? If you are choosing one over the other, do you know for sure why and what the potential benefits of each are?

Mark Needham11/06/14
1344 views
0 replies

Neo4j: Modelling Sub Types

A question which sometimes comes up when discussing graph data modelling is how you go about modelling sub/super types. In my experience there are two reasons why we might want to do this: to ensure that certain properties exist on bits of data; and to write drill down queries based on those types.

Don Pinto11/05/14
2557 views
0 replies

Three Things to Know about Document Database Modelling: Part 1

Most of us could churn out a first stab at a relational database model while sleeping. Once you've chosen to work with a document database, though, you'll need to think a little differently. It's no more difficult, it's just that you're optimising for different things. So, what are the basics to getting it right?

Ricci Gian Maria11/04/14
2332 views
0 replies

Deploy Mongo Easily With MMS

One of the reason why Mongo is gaining a lot of momentum in the industry is the ease of use. Just download the package, start mongod and you are done

Val Huber11/04/14
4874 views
0 replies

Using REST with the CQRS Pattern to Blend NoSQL & SQL Data

This document offers a guide on how some of the relatively newer technologies like REST can help bridge the gap between SQL and NoSQL with an example of a well known pattern called CQRS.

Alec Noller11/03/14
1812 views
0 replies

Refcard Expansion Pack: Querying Graphs with Neo4j

This week, DZone released its latest Refcard: Querying Graphs with Neo4j. If you're interested in learning more about Neo4j or sharpening your skills, we decided to dig into the DZone archives and find some of the most popular posts we've had on the topic.

Dharshan Rangegowda11/03/14
2540 views
0 replies

The Role of the DBA in NoSQL

What is the role of the DB in the NoSql world? In most of these companies the DBA role does not exist and this has led a lot of people to proclaim the end of the DBA. Is the DBA going down the road of the dinosaur? I think the answer is more nuanced than that.

Ricci Gian Maria10/31/14
3576 views
0 replies

Aggregate in Mongo Using Only Date Part of a DateTime Property

If you need to do an aggregation in MongoDb on a DateTime property and you want to aggregate only by Date part, you can use a simple trick and use a filter to compose the date part before the grouping. Here is the code.

Mark Needham10/31/14
3673 views
0 replies

Neo4j: LOAD CSV - The Sneaky Null Character

I spent some time earlier in the week trying to import a CSV file extracted from Hadoop into Neo4j using Cypher’s LOAD CSV command and initially struggled due to some rogue characters.

Itamar Haber10/30/14
4896 views
0 replies

NEW: Redis Cloud Clusters with Regular Expression Sharding

I'm delighted to announce that today we've made our clustering technology even more useful with the public availability of RegEx Sharding.