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SQL Anywhere 12.0.1 » MobiLink - Getting Started » MobiLink technology » MobiLink synchronization


Parts of a MobiLink application

In MobiLink synchronization, many clients synchronize through the MobiLink server to central data sources.

The MobiLink architecture, showing the MobiLink clients, the network, the MobiLink server, an ODBC connection to the consolidated database, and an optional connection to an alternate data source.
  • MobiLink clients   The client can be installed on a mobile device, a server or desktop computer, or a smartphone. Two types of clients are supported: UltraLite and SQL Anywhere databases. Either or both can be used in a MobiLink installation. See MobiLink clients.

  • Network   The connection between the MobiLink server and the MobiLink client can use several protocols. See:

  • MobiLink server   This server manages the synchronization process and provides the interface between all MobiLink clients and the consolidated database server. See MobiLink server.

  • Consolidated database   This database typically contains the central copy of your application information in the synchronization system. It also typically holds system tables and procedures that are required by MobiLink synchronization, and state information needed to synchronize. See MobiLink consolidated databases.

  • State information   The MobiLink server typically maintains synchronization information in system tables in the consolidated database. It does this over an ODBC connection.

    You can also choose to store your state information in a separate database. See MobiLink system database.

  • SQL row handling   If you provide the MobiLink server with SQL scripts, it uses these scripts to transfer rows to and from the consolidated database over an ODBC connection. See Options for writing server-side synchronization logic.

  • Direct row handling   In addition to a consolidated database, you can optionally synchronize with other data sources using MobiLink direct row handling. See Direct row handling.

  • Synchronization scripts   You write synchronization scripts for each table in the remote database and you save these scripts in MobiLink system tables in the consolidated database. These scripts determine what is done with the uploaded data, and what data to download. There are two types of script: table scripts and connection-level scripts. See: