About delete

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Forum
25

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
22

Server User List

" ip="127.0.0.1" admin="true">
Manual
22

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
22

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
Forum
20

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
Manual
20

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
20

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
Forum
19

Unable to delete the .odb file programatically

Hi, I created the test.odb file, read the contents and now trying the delete the odb file using ... , when i am trying to delete the file using the followng code     File[] files = parentDir.listFiles();     for (File temp : files ) {         boolean deleted = file.delete(); // getting false
Issue
19

I can't get cascading delete to work in JDO

, but cascading delete does not, leaving orphan objects. Thank you for this report. Apparently cascading delete has never been implemented in ObjectDB (see also "Deleting Dependent Objects" on this old documentation page). Build 2.7.5_04 implements cascading delete in JDO. Your NetBeans project was converted
Issue
19

JPQL Update & Delete (JPA 1.0)

JPQL (Java Persistence Query Language) supports updating and deleting database objects by queries. Currently ObjectDB supports only JPQL SELECT (retrieval) queries. Delete queries are supported for JDOQL (JDO Query Language). spring-data-jpa uses delete queries to implement repository.deleteAll