In Sybase Central, configurable options for users and groups are located in the User Options and Group Options dialogs (the same dialog as for setting database options). In Interactive SQL, you can specify an option in a SET OPTION statement.
Connect to a database and open the Users & Groups folder.
Select the desired user or group and then choose File > Options.
Edit the desired values.
Click Set Permanent Now.
Specify the desired properties within a SET OPTION statement.