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.
Some of the causes of a retroverted uterus include: 1  Natural variation â generally, the uterus moves into a forward tilt as the woman matures. 2  Adhesions â an adhesion is a band of scar tissue that joins two (usually) separate anatomic surfaces together. 3  Endometriosis â the endometrium is the lining of the uterus.