WINDEV Mobile Concepts

Part 3: Databases 51 HFSQL Cluster HFSQL Cluster is an extension of the HFSQL Client/Server database model. In a database cluster, all HFSQL servers contain a copy of the databases and are synchronized in real time. • The read load can be balanced across multiple servers. • You can make changes to the physical configuration without interruptions on client computers. • If one of the servers crashes, the client is automatically redirected to an operating server. Client computer Access to data Cluster Apply modifications HFSQL Client/Server server HFSQL Client/Server server HFSQL Client/Server server HFSQL Client/Server server HFSQL Cluster can be used from iPhone, iPad, Android, etc.