str_replace in SQL-UPDATE?

T-SQL:

update TBL 
   set picture = Replace(picture, 'servera', 'serverb') 
 where picture like '%servera%'

Orakel:

update TBL 
   set picture = replace(picture, 'servera', 'serverb') 
 where picture like '%servera%'

MySQL:

update TBL 
   set picture = REPLACE(picture, 'servera', 'serverb') 
 where picture like '%servera%'