ActiveJPA is a Java implementation of Martin Fowler’s Active Record pattern that wraps around JPA and provides useful abstractions to simplify data access. With ActiveJPA, models themselves act as a DAO and interact with the database without requiring additional code for the DAL. In this article the primary committer discusses ActiveJPA and provides plenty of usage examples.
The SQL language has been evolving steadily over the last two decades. At the same time, the verbosity caused by the JDBC API in Java client code and the lack of first class SQL support within the Java language have led to the introduction of ORMs such as Hibernate, which was later standardised into JPA and the Criteria API.If SQL and JPA are diverging, where will our data interaction patterns go?
This article will take you through creating a simple RESTful web service with Spring Boot and Aerospike, a distributed and replicated in-memory NoSQL database.
The Android Developer’s Cookbook is a solid reference book for mobile app developers that can serve as an authoritative guide for sound programming practices. A nice addition to a dev's book shelf. 1
In this article, author Randal Hoff shows how to use Multi-Record Type pattern to provide both NoSQL and SQL access to c-treeACE data that combines multiple schemas in a single table.
To refactor legacy code, the ideal is to have a suite of unit tests to prevent regressions. However it's not always that easy. This article describes a methodology to safely refactor legacy code. 7
Rich Hickey, the author of Clojure, explains the information model of Datomic-a new database designed as a composition of simple services, combining the capabilities of RDBMS and scalability of NoSQL. 4
Rich Hickey, the author of Clojure, explains the architecture of Datomic - a new database designed as a composition of simple services, combining the capabilities of RDBMS and scalability of NoSQL. 2
Most ORM libraries make you write a new class for each item you want to keep in the database, extending this and that for no apparent reason. arrayDB looks at simplifying the whole process. 4
This article walks you through building an application with Ember.js, showing the MVC system, data binding, as well as how to build GUI and Touch support. 9
NoSQL databases have been getting lot of attention lately but NoSQL data security is not given much emphasis. This article focuses on the security considerations in accessing NoSQL databases. 4
In this article, author Srinath Perera discusses the various data storage options and what to consider when choosing each of these solutions. 13
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