I googled it but found nothing.
Is there a way to create a read only role ?
I mean, when a new object ( stored procedure, table,... ) is created, the "dbo" and "dba" can access it.
The dbo can do everything he wants with data model and content. the dba can do the same + server/security/... settings.
Is there some lower roles ? like:
EDIT
for sql server there is this:
https://chartio.com/docs/datasources/connections/details/sqluser
You can create the roles in Sybase ASE, using create role command.
and grant the roles as per your wish to that role. it will work like a group, when you grant this role to someone will have only those privileges.