SisoDb is a schemaless document-oriented provider for SQL-Server. Using JSON and key-value storage, it lets you persist object graphs without specifying any mappings or extending any base classes interfaces etc. It lets you perform queries against SQL-server, using lambda expressions. It syncs schemachanges on the fly and can assist you to handle more complex model updates. Basically, it is a simple data access tool. This package is for SQL-Server CE4.