db4o
Best practice for adding a bidirectional relation in OO model
I\'m struggling to come up with a good way of adding a bidirectional relation in OO model. Let\'s say there is a Customer who can place many Orders, that is to say there is a one-to-many association b[详细]
2023-01-21 04:50 分类:问答db4o viewer - Java / Linux
I need a db4o viewer for a Linux box running Java.I noticed this post was for a .net client, but I 开发者_如何学Godon\'t have Windows and don\'t intend to.[详细]
2023-01-20 07:39 分类:问答Is there a tool to monitor the latest version of db4o?
I have tried the Object Manager and the Boo browser, but n开发者_StackOverflowone of these work with the latest DB4O file format.The Object Manager which comes with db4o itself should be able to view[详细]
2023-01-18 19:18 分类:问答db4o, how to update an object if a field was added?
How can I do this? I stored an obj开发者_如何学Goect in db4o, e.g: class Person { string _name; int _age;[详细]
2023-01-17 14:43 分类:问答Mysql to Mysql - Hibernate replication using db40/drs?
I would like to do Mysql to Mysql replication using drs. Is it possible to do the same without storing data in db4o? I开发者_如何学Python just want to use drs replication using Hibernate. Any positive[详细]
2023-01-16 14:21 分类:问答Getting Db4o blobs out of the Database without storing them to disk
Is there a way to get a Db4o Blo开发者_开发技巧b out of the Database without storing it to disk?[详细]
2023-01-15 18:43 分类:问答Db4o, Java: Storing images using blobs
I want to store images in Db4o using Blobs. How can I store them and how do I g开发者_StackOverflowet them out again?Take a look at this question answer: How to stores and Pictures in Db40?[详细]
2023-01-15 15:07 分类:问答How to close a db4o connection when application is shutdown/restarted?
I have just started writing my first webapp using java/wicket/db4o and all technologies are new to me so please forgive what might be a daft question.[详细]
2023-01-13 08:27 分类:问答Lift with db4o User model
suppose you have a Lift + db4o开发者_如何学Go project... How do you define User model? Should I extend MetaMegaProtoUser?[详细]
2023-01-10 02:13 分类:问答db4o: compacting / shrinking
Does anyone know of a way to shrink/compact a db4o d开发者_StackOverflow中文版atabase?What do you mean by compact/shrink? Make an existing database smaller? Or do you want to compress the database?[详细]
2023-01-07 14:22 分类:问答