db4o
Working with large collections in db40 (.net)
I would like to use db4o as the backend of a custom cache implementation.Normally my program involves loading into memory some 40,000,000 objects and working on them simultaneously.Obviously this requ[详细]
2023-01-06 22:06 分类：问答DB4o Linq query - How to check for null strings
Hey there - simple query: var q = (from SomeObject o in container where o.SomeInt > 8 &开发者_StackOverflow;& o.SomeString != null //Null Ref here[详细]
2023-01-03 15:11 分类：问答Is there a tool that will create Java or .NET classes from a db4o database file?
I have a db4o database file. Is the开发者_StackOverflow中文版re a tool that will generate Java or .NET classes (source) from this database?None that I\'am aware of.[详细]
2023-01-02 23:14 分类：问答Real World Experience of db4o and/or Eloquera Database
I am evaluating two object databases, db4o (http://www.db4o.com) and Eloquera Database (http://eloquera.com) for a coming project. I have to choose one. My basic requirement isscalability, multi user[详细]
2023-01-02 07:12 分类：问答db4o issue with graph of objects
I am a new to db4o. I have a big problem with persistance of a graph of objects. I am trying to migrate from old persistance component to new, using db4o.[详细]
2022-12-30 17:15 分类：问答How to use the distinct on databases DB4O in Java?
Who ca开发者_开发百科n tell me how to use Distinct operation on db4o in Java code. I couldn\'t find any example inJava.[详细]
2022-12-29 23:08 分类：问答how to design the query for non-sql database
can anyone give some reference for non-sql database query interface design pattern? For sql-based database, the query can be achieved by combining the query token.[详细]
2022-12-29 15:34 分类：问答Is anyone aware of an Object Manager Enterprise plugin for Visual Studio 2010?
I\'m using DB4O on a new project I\'m playing with and it would help me no end if I was able to use the Object Manager Enterprise utility.I understand it\'s on开发者_运维问答ly available as a VS plugi[详细]
2022-12-28 02:41 分类：问答Using Windows Integrated Authentication when connecting to db4o in .net?
When openi开发者_开发百科ng a client against a db40 server it seems to expect a user name and password[详细]
2022-12-26 17:29 分类：问答Setting unique key constraint for Db4oEmbedded EmbeddedConfiguration
I want to set unique key constraint for Db4oEmbedded EmbeddedConfiguration. Here goes my code: EmbeddedConfiguration myConf = Db4oEmbedded.newConfiguration();[详细]
2022-12-26 14:42 分类：问答
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