About bulk delete

11-20 of 200Refresh
Forum
12

Bulk update of embedded entities in linked list

Hi, I'm trying to do a bulk update of a column in an embedded entity, but I end up with a query execution error because of the "." between the column name of the parent entity and column name of the child entity. The column in the parent entity represents a linked list of an embeddable class
Manual
11

CRUD Database Operations with JPA

it to store, retrieve, update and delete database objects. Storing New Entity Objects The following ... and Deleting Entities JPA refers to entity objects that are associated with an EntityManager as 'managed ... to retrieve them (e.g. as a Query factory). To delete an object from the database, you need to obtain
Manual
11

Running JPA Queries

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 ... , they have to be caught and handled. DELETE and UPDATE Query Execution (with executeUpdate) DELETE and UPDATE queries
Forum
11

Delete object from collection versus delete from JPQL

persist() to write them to the database.  But does running a JPQL update or delete alter the in-memory ... , but I'm not sure if that will alter my program state.  Will it? Thanks, Lee  UPDATE and DELETE queries ... between memory and database objects. See these manual pages for more details: DELETE queries UPDATE
Manual
10

Detached Entity Objects

when applicable (e.g. to entity objects that the Address object references, if any). Bulk Detach
Result
10

What is new in ObjectDB 2.0?

trips in JDO bulk operations (e.g. refreshAll). JDO Enhancer supports enhancing of complete JAR files.
Manual
10

Database Explorer

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 of an Extent node in a viewer window
Manual
10

Server User List

" ip="127.0.0.1" admin="true">
Manual
9

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, using ... Managed to Removed, and is physically deleted from the database during commit. More details on object
Forum
9

Handling deleted references

Hi support team, I have a problem when using DELETE query to delete Entity instances. We use ... has a profile. To reset a profile I run a DELETE query on the old profile , hoping that this would lead ... , which simply checks if the profile instance is such a "intermediate/deleted" instance. Is there a way