Full Text Search of Dialogues with Apache Lucene: A Tutorial
Apache Lucene is a Java library used for the full text search of documents, and is at the core of search servers such as Solr and Elasticsearch. It can also be embedded into Java applications, such as Android apps or web backends. While Lucene’s…
Building Business Rules Engines with Drools – Power to the SMEople
One of the most amazing things about working in software development is the ability to work in many different industries – especially if you’re a consultant. Most software development skills you learn while working within one industry are directly transferable to any…
MySQL Master-Slave Replication on the Same Machine
MySQL replication is a process that enables data from one MySQL database server (the master) to be copied automatically to one or more MySQL database servers (the slaves). It is usually used to spread read access on multiple servers for…
Growing Growth: Perform Your Own Cohort Analysis with This Open Source Code
Cohort analysis, retention, and churn are some of the key metrics in company building. But this isn’t just another article about cohort analysis. If you’re a seasoned data scientist that already knows the importance of the topic and want to skip the introduction, you can jump to…
Data Encoding: A Guide to UTF-8 for PHP and MySQL
As a MySQL or PHP developer, once you step beyond the comfortable confines of English-only character sets, you quickly find yourself entangled in the wonderfully wacky world of UTF-8. Unicode is a widely-used computing industry standard that defines a comprehensive mapping of unique…
MySQL Fabric as a MySQL High-Availability Solutions
MySQL Fabric is a framework for managing groups of MySQL Servers and using those servers to provide services. In the current version the services provided are High Availability (built on top of MySQL Replication) and scale-out (by sharding the data)….
MariaDB Latest News !!
MariaDB December 2015 Newsletter Welcome to the MariaDB December 2015 newsletter! There has been so much going on here at MariaDB that we can’t possibly fit it all in this one newsletter – so make sure you keep an eye on https://mariadb.com for more…
Create dblink from oracle to memsql
Install required RPM packages Configure ODBC gateway Setup environment variable Configure listener.ora and tnsnames.ora Configure ODBC listener Create database link and test2 Environment: Database DB Name DB Version Host Name OS Version Oracle PCRADMN…
AWS Aurora – it’s showtime for Amazon’s new RDS engine
AWS Aurora database engine is fully released, it’s time to see how it runs in the real world. For some time, AWS has offered managed relational databases (RDS) for MySQL, SQLServer, Oracle, and Postgres deployments. Now, after some months in…