SID | 
VARCHAR2(80) | 
SID for which the parameter is defined | 
NAME | 
VARCHAR2(80) | 
Name of the parameter | 
TYPE | 
VARCHAR2(11) | 
Parameter type | 
VALUE | 
VARCHAR2(255) | 
Parameter value (null if a server parameter file was not used to start the instance) | 
DISPLAY_VALUE | 
VARCHAR2(255) | 
Parameter value in a user-friendly format. For example, if the VALUE column shows the value 262144 for a big integer parameter, then the DISPLAY_VALUE column will show the value 256K. | 
ISSPECIFIED | 
VARCHAR2(6) | 
Indicates whether the parameter was specified in the server parameter file (TRUE) or not (FALSE) | 
ORDINAL | 
NUMBER | 
Position (ordinal number) of the parameter value (0 if a server parameter file was not used to start the instance). Useful only for parameters whose values are lists of strings. | 
UPDATE_COMMENT | 
VARCHAR2(255) | 
Comments associated with the most recent update (null if a server parameter file was not used to start the instance) |