Sybase 15.0.2 - Manual (Page 52)

Installing version 15.0.2 over an existing 15.x Adaptive Server
38 Adaptive Server Enterprise
Backward compatibility with previous Adaptive Server 15.x
versions
Before using the new Adaptive Server 15.0.2 features, read “Adaptive Server
15.0.2 Backward Compatibility,”
the Sybase Web site at
http://www.sybase.com/support/techdocs .
You can downgrade to earlier 15.x versions of Adaptive Server, but to do so
you must take the precautions described in the technical note before using any
of the new 15.0.2 features.
XML Services in Adaptive Server version 15.0.2
If you are planning on using XML in Adaptive Server version 15.0.2, there are
installation issues you must take into consideration. See “Appendix E:
Migrating Between the Java-based XQL Processor and the Native XML
Processor” in XML Services in Adaptive Server Enterprise.