 16 | Annotation Element javax.persistence.MapKeyJoinColumn boolean updatable (Optional) Whether the column is included in SQL UPDATE statements generated by the persistence provider. Default value: true Since: JPA 2.0 |
16 | Annotation Element javax.persistence.OrderColumn boolean updatable (Optional) Whether the column is included in SQL UPDATE statements generated by the persistence provider. Default value: true Since: JPA 2.0 |
14 | Explains how to store, retrieve, update and delete entity objects using JPA. |
14 | Explains how to use JPA for CRUD database operations (persist, retrieve, update, remove). |
12 | and collection of objects that have to be loaded eagerly are loaded in bulk for better performance ... in a bulk load, which means that every reference requires running a separate query and doing ... ) fields in bulk as well. Bulk load of eager mapped by (inverse) singular references is now supported in build 2.4.4_13. kborkowski lwalkowski |
9 | when applicable (e.g. to entity objects that the Address object references, if any). Bulk Detach |
8 | update collisions resulting from simultaneous updates to the same data by two concurrent users. Locking ... that has to be updated or deleted is checked. An exception is thrown if it is found out that an update is being performed on an old version of a database object, for which another update has already been committed |
7 | other case. In addition, the Query interface defines a method for running DELETE and UPDATE queries: Query.executeUpdate - for running only DELETE and UPDATE queries. Ordinary Query Execution ... and UPDATE Query Execution (with executeUpdate) DELETE and UPDATE queries are executed using |
7 | it to store, retrieve, update and delete database objects. Storing New Entity Objects The following ... is a very powerful query language and chapter 4 of this manual describes it in detail. Updating and Deleting ... when the transaction is committed. Updating an existing database object is similar. You have to obtain |
6 | with Entities not sending their updates to each other. I have two Entities in question at the moment ... . However, once a change has been made to paygradeDB after this visual load - the Employee table refuses to update ... validation checks and queries apart from UI function handlers. I also know that my code handles updating |
