SET ROLE. Purpose. Use the SET ROLE statement to enable and disable roles for your current session. You cannot enable more than 148 user-defined roles at one time.
Causes. Most cases of osteomyelitis are caused by staphylococcus bacteria, types of germs commonly found on the skin or in the nose of even healthy individuals.Germs can enter a bone in a variety of ways, including: 1  The bloodstream.auses. Most cases of osteomyelitis are caused by staphylococcus bacteria, types of germs commonly found on the skin or in the nose of even healthy individuals.
The standard treatment for osteomyelitis is antibiotics, although surgery is sometimes performed to remove dead bone tissue. Complications of osteomyelitis include chronic osteomyelitis, spread of infection to the bloodstream (sepsis), reduced limb function and, in severe cases, amputation.