Mapping Shortest Routes Using a Graph Database

Lou Mauget Databases, Java, Technology Snapshot 11 Comments

We often model interconnected data by cramming it in and out of table structures. Why don’t we simply model interconnected data as … interconnected data? I recently wrote that there are several kinds of NoSQL database stores: key-value, column family, document-oriented, and graph database.  This article targets Neo4j, a Java-based graph DBMS. The open-ended problem domain of graph databases includes …

Node Application Server with CouchDB

Brett Jones Databases, HTML5, JavaScript, Node, Technology Snapshot, Tutorial 5 Comments

Much has been made lately of “NoSQL” non-relational databases. A few weeks back, Lou wrote a post introducing CouchDB, a free Apache Foundation document datastore. Lou’s application was hosted entirely from CouchDB. I recently wrote a web application with a more traditional approach, with a server using CouchDB as its backend. Traditional in that sense, but non-traditional in another: the …

Is NoSQL The SQL Sequel?

Lou Mauget Databases, Opinion, Technology Snapshot 8 Comments

“Can’t we all just get along?”  I assert that the explosion of so-called NoSQL database management systems (DBMS) is not displacing the well-known relational DBMS (RDBMS) that we love and admire. There is room for each, sometimes within one application. Why? Visits by three spirits could enlighten us … 1. Spirit of DBMS Past The DBMS was invented before the …