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SQL Anywhere 12.0.0 (Français) » MobiLink - Getting Started » MobiLink Tutorials » Tutorial: Introduction to direct row handling


Lesson 7: Synchronize

The dbmlsync utility initiates MobiLink synchronization for SQL Anywhere remote databases. Before starting dbmlsync, add order data and comments to your remote database.

 ♦  To set up your remote data (client-side)
  1. Connect to the MobiLink client database in Interactive SQL if you are not already connected.

    Run the following command:

    dbisql -c "server=remote1;uid=DBA;pwd=sql"
  2. Add an order to the RemoteOrders table in the client database.

    Run the following SQL script in Interactive SQL:

    INSERT INTO RemoteOrders (order_id, product_id, quantity, order_status)
     VALUES (1,12312,10,'new')
  3. Add a comment to the OrderComments table in the client database.

    Run the following SQL script in Interactive SQL:

    INSERT INTO OrderComments (comment_id, order_id, order_comment)
     VALUES (1,1,'send promotional material with the order')
  4. Commit your changes.

    Run the following SQL script in Interactive SQL:

 ♦  To start the synchronization client (client-side)
  • Run the following command at the command prompt:

    dbmlsync -c "server=remote1;uid=DBA;pwd=sql" -e scn=on -o rem1.txt -v+

    The following table contains a description for each dbmlsync option used in this lesson:

    Option Description
    -c Specifies the connection string.
    -e scn Sets SendColumnNames to on. This is required by direct row handling if you want to reference columns by name.
    -o Specifies the message log file rem1.txt.
    -v+ The -v option specifies what information is logged. Using -v+ sets maximum verbose logging.

Once you have started the MobiLink synchronization client, an output screen appears indicating that the synchronization succeeded. SQL-based synchronization transferred rows in the client RemoteOrders table to the RemoteOrders table in the consolidated database.

Java or .NET processing inserted your comment in orderComments.txt. In the next procedure, you insert a response in orderResponses.txt to download to the remote database.

 ♦  To return comments using direct row handling downloads (server-side and client-side)
  1. Close any SQL Anywhere MobiLink Client windows

  2. Insert return comments. This action takes place on the server side.

    Add the following text to orderResponses.txt. You must separate entries using the tab character. At the end of the line, press Enter.

    1  1  Promotional material shipped
  3. Run synchronization using the dbmlsync client utility.

    This action takes place on the client-side.

    Run the following command:

    dbmlsync -c "server=remote1;uid=DBA;pwd=sql" -o rem1.txt -v+ -e scn=on

    The MobiLink client utility appears.

    In Interactive SQL, select from the OrderComments table to verify that the row was downloaded.


Rows downloaded using direct row handling are not printed by the mlsrv12 -v+ option, but are printed in the remote log by the remote -v+ option.

 Further reading