I have a JPA named query that takes two dates in order to return records with a date column entry between the two dates.
I want to achieve basic CRUD operations available of the db schema I already have for a JAVA program. To put it in another way, I have a DB schema I use with PHP and I just need them to be entities av
As I am using using mysql database and I am using id strategy. @GeneratedValue(strategy = GenerationType.TABLE
Is there a way to initialize the EntityManager without a persistence unit defined? Can you give all the required properties to create an entity manager? I need to create the EntityManager from the use
I have queries as below: What is the difference of these two? Are both of these supported by all databases?
I\'m just starting to take a look at java persistence (at the moment with eclipse\'s default provider of eclipselink). Basically just creating an object and attempting to persist it to the db (Oracle)
I am using Hibernate annotations and entity manager (JPA) with HSQLDB. So I have an entity with an enum field:
General case: first table represents one-side, second table represents many-side. Third table serves as a link between the two.
I\'m trying to use JPA\'s Context Injection. Currently my code fails to have the context injected, throwing a NullPointerException:
Using Spring: can jta-transaction-manager use id as name so that I can pass it as REF to my service layer like below?