Add Community Newsletter hibernate#2

posts/Vlad/2016-01-18-hibernate-community-newsletter-2016-2.adoc

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+= Hibernate Community Newsletter 2/2016
+Vlad Mihalcea
+:awestruct-tags: [ "Discussions", "Hibernate ORM" ]
+:awestruct-layout: blog-post
+---
+
+Starting this year, we are hosting http://in.relation.to/2016/01/04/hibernate-community-newsletter-2016-1/[a series of articles] focused on the Hibernate community.
+We share blog posts, forum and StackOverflow questions that are especially relevant to our users.
+
+== Articles
+
+A very interesting project is http://trafodion.apache.org/[Apache Trafodion], which aims to build a transactional SQL engine on top of Hadoop.
+We'd like to thanks the Trafodion team for writing a https://esgyn.com/trafodion-dialect-hibernate/[Hibernate Dialect], therefore making it possible to access Hadoop from a Hibernate data access layer.
+Give it a try and let us know what you think.
+
+Thorben Janssen wrote an article about http://www.thoughts-on-java.org/jpa-native-queries/[calling native SQL queries from JPA].
+
+Romain Manni-Bucau demonstrates how you can integrate https://rmannibucau.wordpress.com/2016/01/14/jpa-java8-stream-paginated-findall/[JPA pagination with Java 8 Streams].
+
+http://michael-simons.eu/[Michael J. Simons], who gave us the idea of writing the http://in.relation.to/2016/01/14/hibernate-jpa-test-case-template/[JPA test case templates],
+describes the http://info.michael-simons.eu/2016/01/14/spring-boot-based-site-and-api-for-euregjug/[EuregJUG site] architecture which, along other open-source frameworks, makes use of Hibernate for accessing data.
+
+== Questions and answers
+
+* http://stackoverflow.com/questions/34588354/difference-between-size-length-and-columnlength-value/34589474#34589474[What's the difference between `@Size`, `@Length` and `@Column(length=value)`?]
+* https://forum.hibernate.org/viewtopic.php?f=1&t=1042886&p=2488533#p2488533[What's the difference between a bidirectional `@ManyToMany` relationship and two `@OneToMany` associations on the junction table?]
+* https://forum.hibernate.org/viewtopic.php?f=1&t=1042929&p=2488605#p2488605[How to do HQL join with a collection of primitive elements?]
+* http://stackoverflow.com/questions/34738708/how-to-insert-data-as-fast-as-possible-with-hibernate/34744739#34744739[How to insert data as fast as possible with Hibernate?]
+* http://stackoverflow.com/questions/34739475/get-max-value-from-table-using-hibernate/34745183#34745183[How to get the entity with the maximum id value with Hibernate?]
+* https://stackoverflow.com/questions/34731783/how-to-register-custom-identifiergenerator-in-hibernate-jpa-entitymanager/34747951#34747951[How to register custom `IdentifierGenerator` in Hibernate JPA `EntityManager`?]
+* http://stackoverflow.com/questions/34800788/does-statelesssession-support-lazy-loading[Does StatelessSession support lazy loading?]