parameters: (dbms)
return_statement: return retVal
docstring: Returns major DBMS name from a given alias
  
      >>> aliasToDbmsEnum('mssql')
      'Microsoft SQL Server'
docstring_summary: Returns major DBMS name from a given alias
docstring_tokens: Returns major DBMS name from a given alias
function: def aliasToDbmsEnum(dbms):
      """
      Returns major DBMS name from a given alias
  
      >>> aliasToDbmsEnum('mssql')
      'Microsoft SQL Server'
      """
  
      retVal = None
  
      if dbms:
          for key, item in DBMS_DICT.items():
              if dbms.lower() in item[0] or dbms.lower() == key.lower():
                  retVal = key
                  break
  
      return retVal
function_tokens: def aliasToDbmsEnum ( dbms ) : retVal = None if dbms : for key , item in DBMS_DICT . items ( ) : if dbms . lower ( ) in item [ 0 ] or dbms . lower ( ) == key . lower ( ) : retVal = key break return retVal