You must already have been granted the roles that you name in the SET ROLE statement. Syntax. set_role ::=. Semantics. role. Specify a role to be enabled for the current session. Any roles not listed and not already enabled are disabled for the current session. In the IDENTIFIED BY password clause, specify the password for a role. If the role has a password, then you must specify the password to enable the role.
By Mayo Clinic Staff. 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.
In these patients, post-operative inflammation promotes the leakage of fluid from tiny blood vessels in the macula. Other common causes of CME include diabetic retinopathy, wet age-related macular degeneration, uveitis, and retinal vascular disease. CME can also occur due to mechanical traction from a macular pucker. Less common causes include past exposure to radiation, retinitis pigmentosa, and intraocular tumors.