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Any good Web framework needs a solid persistence strategy. In this second installment of his Mastering Grails series, Scott Davis introduces the Grails Object Relational Mapping (GORM) API. See how easy it is to create relationships between tables, e... read more
Many-to-many (m:m) relationships can be tricky to deal with in a Web application. In this installment of Mastering Grails, Scott Davis shows you how to implement m:m relationships in Grails successfully. See how they're handled by the Grails Object R... read more
In this Mastering Grails installment, Scott Davis explores the various ways that Grails can use database tables that don't conform to the Grails naming standard. If you have Java classes that already map to your legacy databases, Grails allows you to... read more
Groovy and Grails’ speed and simplicity are a perfect match to the flexibility and power of MongoDB. Dozens of plugins and libraries connect these two together, making it a breeze to get Grooving with MongoDB.
A tutorial showing how to use GORM for querying data from the perspective of developer familiar with SQL. The examples use both conventional GORM and HQL for typical queries used in applications. This includes samples of projections to solve GROUP BY... read more