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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 gzdillon Lai Yang You can execute a DELETE query: "drop table" or "delete from table" or "truncate" can clear the id counting.

Should I be able to persist a JFrame (or gui components in general)?

.ClassFormatError: Absent Code attribute in method that is not native or abstract in class file javax/persistence ... ; Any ideas on the runtime error, or how I could reduce amount of code to map UI ... applications, and eases the burden of coding somehow. This may exist, and I just don't get it, or

Is it ok to put list or map of embeddable objects in entity ?

Hi, Is it ok to put list or map of embeddable objects in entity? I mean ... for the collection or its elements - every time the entity object is stored previous content is automatically ... also (which are part of EmbeddableB with CascadeType.ALL). And that's not happening... Is that a bug or are cascade

Option or strategy to disable/skip runtime enhancement checks (to improve load time)?

(only), so I know these checks are redundant. Q: Is there an option or strategy to disable ... log messages or stack traces. support Support

Cannot save or update entity on Spring App

I've got this DAO in my Spring App import javax.transaction.Transactional; @Repository // or @Component @Transactional public class LanguageRepository ... (); em.clear(); em.close(); return guest; } //DELETE or UPDATE

Login Error (bad username 'admin' or password)

I am getting following error when i am trying to connect to server: [com.objectdb.o._PersistenceException: Login Error (bad username 'admin' or password)] with root cause com.objectdb.o.UserException: Login Error (bad username 'admin' or password

Waterfall tree algorithm for more optimized version of objectdb or

hello , i heard its very good and new datastructure known as waterfall tree compared to btree. It could be good if you think and research some datastructure or take a look at waterfalltree Or it can be selectable by objectdb :   here what i

Annotations not supported in -source1.3 (use -source 5 or higher ..)

not supported in -source1.3 (use -source 5 or higher ..) Generics not supported in -source1.3 (use -source 5 or higher ..) (Note that the version of Java I ran Maven as

Persistent domain in Scala or Java...

> My preference would be JPA.  Are there strong JPA-like libraries for Scala, or should I be considering Scala-specific persistence or using Java for the domain to take advantage of JPA

query null or by zero error

we have the critical problem that we receive a null or by zero (in the log a java.lang.ArithmeticException) error for this query: select o from ObjectNode o where o.currentLocation.nodePath = "/(MG)TOOLPOOL-DMC-125U4/(MP)IN" and o.classIdentifier = '(TP)'