So, ...  I like to try new things and since I had to migrate an old version of an SQL Anywhere database into an open source database, I thought I might as well do it the fun way.

I will write a little Java Spring Batch Applicaiton in order to move the data from SQL Anywhere into MariaDB in a professional way.

In this article you can learn how to connect your client to an SQL Anywhere database using Java.

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In Sybase Database Central select the SQL Anywhere 16 or 17 context and then click on Services.

Right click into the pane below and select New > Service ... from the context menu.

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Recently I had to rebuild some indexes, since they met two major conditions under which an index rebuild most likely will improve performance.

According to Burleson, an index rebuild can help under the following conditions.

http://www.dba-oracle.com/art_dbazine_idx_rebuild.htm

  • High index fragmentation:  The SQL workload has lots of table DML causing lots of deleted leaf blocks.
  • High index scan access plans:  The SQL workload is rich with index scans (index fast-full scans and index range scans)

The second condition definetely holds valid for my clients database. The application, RSA IGL is used for over 10 years without any archiving or regular house keeping and up to 100 Million entries in several important tables.

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