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Neo4j Database Part 01: Foundation and Introduction

This is a blog series on using the Neo4j NoSQL database. Introduction I have been around databases for 30 years starting out with IDMS on ICL mainframes. That progressed into Sybase and Microsoft SQL Server. I have cut my teeth on relational databases however; the one size fits all no longer applies anymore.…
Graph databases, Technology

Redis Database Part 06: Query Filtering

In the last blog I discussed NULLs and data denormalization. The code can be found on Github here. In this blog I will show how we can apply filters to our data. Filtering data is limiting the data returned based on conditions. In SQL this is accomplished by a WHERE clause. Doing filtering on the…
Redis databases, Technology

Redis Database Part 01: Foundation and Introduction to NoSQL

This is a blog series on using the Redis NoSQL database. Introduction I have been around databases for 30 years starting out with IDMS on ICL mainframes. That progressed into Sybase and Microsoft SQL Server. I have cut my teeth on relational databases however; the one size fits all no longer applies anymore.…
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Redis Database Part 04: Inserting and Querying Data

In the last blog I introduced the Redis data types. In this blog I will cover how we create our first data model and some queries. The code can be found on Github here. Relational Background A lot of people who come to a NoSQL database come from a relational database background and…
Technology

Neo4j Database Part 05: Data Loading Options

In the last blog I described the Cypher object notation used by the query language. In this blog I will describe how to manually create nodes and relationships and then how to do this more efficiently by importing data. Contents Creating Nodes and Relationships by Hand Unique Constraints Merge…
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Redis Database Part 03: Redis Data Types Explained

In the last blog I introduced some Redis basics. In this blog I will cover the datatypes supported which is extremely important in order to create the correct data model. Data Types Redis has the following different datatypes that can be used for a keys value. String Hashes List…
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Redis Database Part 02: Basics and Configuration

In the last blog I introduced Redis. In this blog I will cover some of the basics. Command Line Interface You can interact with the Redis server using the redis-cli command line interface. Here I am checking my Redis server is up and running. Note: I am using an installation by Jetware…
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