[Neo4j]: Your Free Ebook: Graph Databases – O’Reilly Media
O’Reilly’s Graph Databases is the first step to learning about graph databases and the power of data relationships. Please use the following links to access your free copy anytime: Graph Databases PDF .epub (Android, iBooks – iPhone, iPad) .mobi (Kindle)…
RethinkDB
What is RethinkDB? RethinkDB is the first open-source, scalable JSON database built from the ground up for the realtime web. It inverts the traditional database architecture by exposing an exciting new access model – instead of polling for changes, the…
[MongoDB]: XML to JSON conversion
If you are planning to use MongoDB, you would first need to convert the XML document into JSON format and then persist it to MongoDB. There are bunch of available open source tools that can convert XML to JSON. XML.java…
Document Versioning in Couchbase
This blog was originally posted by David Maier here Couchbase Server does out of the box not support document revisions but it would be quite simple to implement it on the application side. This article describes ways how to do…
Flexible and Scalable Content Management using Apache Chemistry OpenCmis and Couchbase
This Blog was originally posted by Cecile Le Pape here Is it possible to build a Content Management system flexible and scalable ? Flexible so I can choose independently my file storage and my metadata storage. Each of these parts…
How many Buckets?
This Blog was originally posted by David Maier here In Couchbase the equivalent of a database is called a bucket. A bucket is basically a data container which is split into 1024 partitions, the so called vBuckets. Each partition is…
Loading data in Couchbase with RxJava
This Blog was originally posted by Francois Cerebella here Sep 22, 2015 • fcerbell This short tutorial explains how to find an interesting data set (quantitatively and qualitatively) and load it into Couchbase in order to play with it. This…
JDBC connection from JasperReports Server to Couchbase
This blog was originally posed by Francois Cerebella here Aug 31, 2015 • fcerbell Couchbase, a NOSQL BigData database, now offers a new language, N1QL, to write queries. This article will show you how to use the new Couchbase JDBC driver in JasperReports…
error while loading shared libraries: libnetsnmpagent.so.20: cannot open shared object file: No such file or directory
You’ll see below error while starting mongod instance, while you miss libnetsnmpagent.so.20 library files in your /usr/lib or /usr/lib64 folders. [ root @ vm-5cc5-bad6 : ~ ] ll -lhtr /usr/lib64/libnetsnmpagent.so.20 lrwxrwxrwx 1 root root 25 Mar 7 2015 /usr/lib64/libnetsnmpagent.so.20…
Mongoimport: How to specify field types ?
Q) When using mongoimport to import a CSV, the field “00234” will get imported as the number 234, is there any way to specify field type of each field or is there any other solution for the same so that…