Enhancements for Data Modification Queries: ArangoDB Updates
Data-modification queries were enhanced in ArangoDB 2.4 to be able to also return the inserted, update or removed documents. For example, the following statement inserted a few documents and also returned them with all their attributes: FOR i IN 1..10 INSERT { value: i } IN test LET inserted = NEW RETURN inserted The syntax…
Upsert Operations in ArangoDB: Efficient Data Management
This week saw the completion of the AQL UPSERT command. This command will be very helpful in a lot of use cases, including the following: ensure that a document exists update a document if it exists, otherwise create it replace a document if it exists, otherwise create it The UPSERT command is executed on the…
Is Multi-Model the Future of NoSQL? ArangoDB Insights
Here is a slideshare and recording of my talk about multi-model databases, presented in Santa Clara earlier this month. Abstract: Recently a new breed of “multi-model” databases has emerged. They are a document store, a graph database and a key/value store combined in one program. Therefore they are able to cover a lot of use…
Graphs in data modeling
Max wrote an inspiring article about graphs in data modeling on Medium, packed with his own thoughts – “to sort out some things in my brain” (Max). He asks and answers the question: Are graphs and graph databases useful in data modeling, and if so, for what and under which circumstances? In his article, he…
ArangoDB 2.5.1 Release: Bug Fixes and Enhancements
This version is deprecated. Download the new version of ArangoDB A new release of ArangoDB is available for download. ArangoDB 2.5.1 adds slow-query log and killing running queries to the Http API and to the web-interface. We have also fixed inefficiencies in remove methods of the general-graph module and solved some issues regarding stability on…
Agile development vs. schema enforcement – a paradox resolved
The fans of modern and agile software development usually propose to use schemaless database engines to allow for greater flexibility, in particular during the early rapid prototyping phase of IT projects. The more traditionally minded insist that having a strict schema that is enforced by the persistence layer throughout the lifetime of a project is…
Foxx console – Logging and querying console messages
Aside from the more noticeable features, ArangoDB 2.5 also added the console object to the scope of all Foxx app modules. Unlike the object already available by importing the console module, the Foxx console logs all messages directly to the database. In addition to allowing you to specify per-application log levels to make sure your…
ArangoDB V 2.4.5: Introducing Slow Query Tracking
This version is deprecated. Download the new version of ArangoDB ArangoDB 2.4.5 is ready to download. The latest release of the 2.4 branch comes with some minor bugfixes and a new feature: Tracking of AQL queries We have added current and slow query tracking and also killing of long running AQL queries. This change enables…
ArangoDB 2.5 Release: Enhanced Features & Performance
This version is deprecated. Download the new version of ArangoDB We are proud to announce the latest release of ArangoDB, adding a bunch of new features and lot’s of improvements to existing ones. ArangoDB 2.5 is available for download now and could be installed from your favourite package manager. See the previous blogposts on sparse…
Git Commit Analysis with ArangoDB: Insightful Data Exploration
I often find myself searching for certain commits using git log and friends. While I really love the power and flexibility that come with the git and other Unix command-line tools, sometimes it can be more convenient to use a database to filter and aggregate commit data. I gave it a quick try yesterday and…