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162

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 ... ).delete(); However, this could be a useful ObjectDB feature. Maybe adding ;drop as a url parameter:     EntityManagerFactory emf =         Persistence.createEntityManagerFactory("myDbFile.odb;drop
155

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 ... .createEntityManagerFactory(             "objectdb://localhost/testStorage1.tmp;drop;user=admin;password=admin
151

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 ... . 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 BTW. gzdillon Lai Yang The code “createQuery("DELETE FROM MyEntity e
148

drop a column from table

Hi, I want to drop one column from my database table suppose i have 3 column (id, name, address) now i want to drop address. then what will be the query or procedure.. Bimal Bimal kumar dalei Just ... But it physically present and logically it will not display. If a want to drop or delete a column
148

The drop code word does not work?

Using ObjectDB in embedded mode, I tried the following while test running: EntityManagerFactory emf =             Persistence.createEntityManagerFactory("objectdb:punkter.odb;drop"); The drop ... ), or add support for dropping database files with the odb extension in the configuration. support
143

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. tuille Alberto Otero ObjectDB already supports JPA and this is its main API (e.g. the manual focuses on JPA). We have no reason to drop JDO, as there are still ObjectDB users that use it. support Support
137

impossible to drop a table with 50 million objects

impossible to drop a table with 50 million objects
29

'DROP TABLE' in ODB?

'drop table' in ODB? lwalkowski Lukasz Walkowski This is currently not supported. As far as I understand the main effect of such drop operation would be on the list of classes in the Explorer
27

Database Connection using JPA

server mode. drop - for deleting any existing database content (useful for tests). To connect ... existing content if any) the drop parameter has to be specified: EntityManagerFactory emf = Persistence.createEntityManagerFactory("objectdb:myDbFile.tmp;drop"); Getting an empty clean
24

Database Management Settings

="32mb" programs="500" /> <extensions drop="temp,tmp" /> </database> The <size> element <size ... updates). The <extensions> element <extensions drop="temp,tmp" /> The drop attribute ... (usually in tests). The content of these temporary databases is deleted when using the drop URL

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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