Make a list of applications to be migrated to ASE 12.5. For each application, note:
Information about data and usage
Warehoused or used in transaction processing? If used in transaction processing, it needs to be accurate and in the right format. Warehoused data is more tolerant of format and slight computational differences, such as datatype conversion differences.
Location of application source files
Types and number of modules containing SQL code to be evaluated for needed modifications (triggers, stored procedures)