grant permissions not like in mysql?

hi list,

i am playing a while with sapdb and try to migrate our software from
sybase to sapdb 7.4.3.17

i want a prod and a test environment. for this i created two dba users
in the instance within sqlsto.

after logging in with the two new users i created the tables as needed.
what i am missing, is how to grant all the users to the different
tables, cause a:
   grant select,update,delete,insert on TEST.* to testuser1
does not work on the *

   grant select,update,delete,insert on PROD.* to user1
dito

what make i wrong?

greetings
thomas

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