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Database server with an application

Hi, I read the database server section of the manual - and it looks like it is not possible to connect to a Database embedded with an application from another application - is that correct? The way to go is to have the DB server running by itself and then the 2 other applications connecting
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Delete object from collection versus delete from JPQL

between memory and database objects. See these manual pages for more details: DELETE queries UPDATE
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Does aggregate function "greatest" work on entity objects?

in queries. See the list of Comparable Data Types in the manual. galandor
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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. 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. tuille
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Drop the entire database, Change the schema

). But your solution of adding support of drop to the odb extension is fine. See the manual for more information on database urls and this configuration. JFK dmoshal
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Duplicate Entity class names causes Exception in Query

the manual. But of course, ObjectDB should not throw a NullPointerException in this case. I will try
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Eclipse - Maven - Dependencies not getting automatically reflected

(http://repo.maven.apache.org/maven2). In case, if I manually put required artifcatID in pom.xml
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Efficient query on EmbeddedId

Hi! I have an entity class with an @EmbeddedId (field1 int and field2 int). Based on the manual, I understand that making a query just on entity.id.field1 is efficient. Of course, making a query containing the whole EmbeddedId is the ideal case, and I use it, but I need more use cases. My question
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em.flush(); em.clear(); loosing data and not persisting managed objects

method  of @IdClass and multiple @Id fields and a non annotated POJO as shown in the manual   I doubt
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Enhancer -s broken

for your support Manuel Thank you for the update. Currently the manual suggests: