About bulk delete

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Manual
8

CRUD Database Operations with JPA

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 ... to retrieve them (e.g. as a Query factory). To delete an object from the database, you need to obtain
Manual
8

Running JPA Queries [2011-09-21]

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 if there is any chance that these exceptions might be thrown they have to be caught and handled. DELETE
Manual
7

Database Explorer [2011-09-21]

window) and then pasted on a reference that has to be set. The functionality of the Edit > Delete command depends on the context. Deleting a reference field sets the value to null without deleting any referenced entity object. On the other hand, deleting an entity object that is represented by a child
Manual
7

Server User List

" ip="127.0.0.1" admin="true">
Manual
7

Database Explorer

window) and then pasted on a reference that has to be set. The functionality of the Edit > Delete command depends on the context. Deleting a reference field sets the value to null without deleting any referenced entity object. On the other hand, deleting an entity object that is represented by a child
Manual
6

Working with JPA Entity Objects [2011-04-18]

requires using entity objects for many operations, including storing, retrieving, updating and deleting ... . A managed entity object can also be retrieved from the database and marked for deletion, by using ... Managed to Removed, and is physically deleted from the database during commit. More details on object
Manual
6

Working with JPA Entity Objects

requires using entity objects for many operations, including storing, retrieving, updating and deleting ... . A managed entity object can also be retrieved from the database and marked for deletion, by using ... Managed to Removed, and is physically deleted from the database during commit. More details on object
Manual
5

JPA Query Structure (JPQL / Criteria)

(update and delete queries have a slightly different form). The other JPQL clauses, WHERE, GROUP BY, HAVING and ORDER BY are optional. The structure of JPQL DELETE and UPDATE queries is simpler: DELETE
Manual
4

Chapter 1 - Quick Tour [2010-10-29]

ObjectDB databases and perform basic CRUD operations (Create/Store, Retrieve, Update and Delete ... , retrieving, updating and deleting Point objects. To run the sample program of this chapter in
Manual
4

Database Connection using JPA

. drop - for deleting any existing database content (useful for tests). To connect to an ObjectDB server ... ); EntityTransaction Operations that affect the content of the database (store, update, delete