About drop

manual

Database Connection using JPA

Describes the main JPA interfaces: EntityManagerFactory, EntityManager and EntityTransaction.... a user password in client server mode. drop - for deleting any existing database content (useful for tests). ... empty database (discarding existing content if any) the drop parameter has to be specified: EntityManagerFactory ...

 
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Drop the entire database, Change the schema

I am trying to port and example app to ObjectDb. As part of the tests I drop the database and reload it with the new schema automatically between test cycles. Is there a simple way to do this with ObjectDb, or is the only way to delete the database file everytime? Thanks ... port and example app to ObjectDb. As part of the tests I drop the database and reload it with the new schema automatically between test ... be a useful ObjectDB feature. Maybe adding ;drop as a url parameter: EntityManagerFactory emf = ...

 
manual

Database Management Settings

Explains settings and performance tuning of the ObjectDB Java object database for JPA/JDO.... programs = "500" /> <extensions drop = "temp,tmp" /> </database > Each of ... <extensions> element <extensions drop = "temp,tmp" /> The drop attribute of the ...

 
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Drop in Client/server mode not working

Hi, can't seem to get drop to work in c/s mode: version: objectdb-2.3.5_04 config: <extensions drop="tmp" /> url: 'objectdb://localhost/testStorage1.tmp;drop;user=admin;password=admin'   suggestions? David   ... Hi, can't seem to get drop to work in c/s mode: version : objectdb-2.3.5_04 config : <extensions drop="tmp" /> url : 'objectdb://localhost/testStorage1.tmp;drop;user=admin;password=admin'   suggestions? ...

 
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Is there a function of "drop table" or "delete from table"?

Besides the em.remove() one by one, is there a function of "drop table" or "delete from table"? TIA ... the em.remove() one by one, is there a function of "drop table" or "delete from table"? TIA Institute ... Yes, you'd better to put it into manual, since "drop table" is often in debugging. I can not find "drop table" in this site ...

 
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'DROP TABLE' in ODB?

Let's say I no longer need some entity in my project and after deleting all the objects of this type in database I want to remove this type from schema. How can I do this? Is there something like SQL 'drop table' in ODB? ... How can I do this? Is there something like SQL 'drop table' in ODB? edit ... supported. As far as I understand the main effect of such drop operation would be on the list of classes in the Explorer. Is it correct? ...

 
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Drop JDO support

In my opinion JDO is a legacy/deprecated technology. You should remove JDO support in favour of JPA. I think this would make ObjectDB to grow faster. ... the manual focuses on JPA). We have no reason to drop JDO, as there are still ObjectDB users that use it. ...

 
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impossible to drop a table with 50 million objects

when trying to execute in explorer (max heap size 1GByte) delete from LogEntry l it comes up with a Java heap error after 20 minutes of executing. How to empty such a table ?     #1 2017-06-28 05:49 when trying to execute in explorer (max heap size 1GByte) delete from LogEntry l it comes up with ...

 
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Database absolute filepath

Is there a line of code that can be used to print out my databases absolute path? I have set it as follows: EntityManagerFactory emf = Persistence.createEntityManagerFactory("$objectdb/database/people.odb"); However, the data being shown in *\lib\objectdb\database\people.odb* is different than what is being used in the rest of the application so I think there might be more than one database somehow.... ( "objectdb:$objectdb/db/test.tmp;drop" ) ; System. out . println ( emf. ... instead of test. odb ? What does the keyword drop at the end of the line do? ...

 
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ObjectDB version 2.3 has been released

ObjectDB 2.3 has been released and it includes important additions and fixes: ... in JPQL queries. Added support of ";drop" database url parameter. Adjusted the Enhancer to the new ...