My workspace

A new version of using Hibernate OGM described in the  The Apache Ignite book . If it got you interested, check out the rest of the book for more helpful information. Often the first step to developing an Enterprise information system is creating the domain model, that is, listing the entities in the domain and defining the relationships between them. A domain model is a conceptual image of the problem your system is trying to solve. Domain model elements can be linked by relationships. Usually, relational objects are represented in a tabular format, while application object model are represented in an interconnected graph of the object format. While storing and retrieving an object model from the relational database, a few mismatch occurs such as Granularity, SubTypes etc. To solve the mismatches between relational and object model, JPA provides a collection of APIs and methods to manipulates with the persistence store. The JPA specification only defines relational database a...

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A new SQL client configuration described in  The Apache Ignite book . If it got you interested, check out the rest of the book for more helpful information. Apache Ignite provides SQL queries execution on the caches, SQL syntax is an ANSI-99 compliant. Therefore, you can execute SQL queries against any caches from any SQL client which supports JDBC thin client. This section is for those, who feels comfortable with SQL rather than execute a bunch of code to retrieve data from the cache. Apache Ignite out of the box shipped with JDBC driver that allows you to connect to Ignite caches and retrieve distributed data from the cache using standard SQL queries. Rest of the section of this chapter will describe how to connect SQL IDE (Integrated Development Environment) to Ignite cache and executes some SQL queries to play with the data. SQL IDE or SQL editor can simplify the development process and allow you to get productive much quicker. Most database vendors have their own fron...