The best replacement for sybase is oracle.

The best alternatives to sybase are rated as following:
★★★★★  oracle
★★  sql server
★  db2
★  mssql
★  microsoft sql server
★  teradata
★  postgresql
  sybase iq
  sql server 2008
  ms sql
  udb
  microsoft sql
  informix

Your alternative for sybase is not listed? Suggest!
Speaking about sybase, one probably shouldn't forget about consumers.

Other search terms related to sybase and their ratings are:
★★★★★ consumers
★★★ override
nowait
You have in mind a companion for sybase and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of sybase in all years. Click on graph for more.
sybase
oracle
sql server