org.netbeans.lib.ddl.DDLException: Unable to execute command:
drop table "APP"."groups"
Operation 'DROP CONSTRAINT' cannot be performed on object 'SQL090512101816021' because CONSTRAINT 'FK_USER_GROUP' is dependent on that object.
        at org.netbeans.lib.ddl.impl.AbstractCommand.execute(AbstractCommand.java:241)
        at org.netbeans.modules.db.explorer.node.TableNode.destroy(TableNode.java:155)
        at org.openide.nodes.FilterNode.destroy(FilterNode.java:604)
        at org.openide.explorer.ExplorerActionsImpl$DeleteActionPerformer.doDestroy(ExplorerActionsImpl.java:645)
        at org.openide.explorer.ExplorerActionsImpl$DeleteActionPerformer.actionPerformed(ExplorerActionsImpl.java:595)
        at org.openide.util.actions.CallbackSystemAction$DelegateAction$1.run(CallbackSystemAction.java:593)
        at org.netbeans.modules.openide.util.ActionsBridge$ActionRunnable.actionPerformed(ActionsBridge.java:111)
        at org.netbeans.core.ModuleActions.invokeAction(ModuleActions.java:106)
        at org.netbeans.modules.openide.actions.ActionsBridgeImpl.invokeAction(ActionsBridgeImpl.java:53)
        at org.netbeans.modules.openide.util.ActionsBridge$ActionRunnable.doRun(ActionsBridge.java:102)
        at org.netbeans.modules.openide.util.ActionsBridge$1.run(ActionsBridge.java:71)
        at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:576)
        at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1013)