| TABLESPACE_NAME | VARCHAR2(30) |  | Tablespace name | 
| CONTENTS | VARCHAR2(9) |  | Tablespace contents: | 
| EXTENT_MANAGEMENT | VARCHAR2(10) |  | Indicates whether the extents in the tablespace are dictionary managed ( DICTIONARY) or locally managed (LOCAL) | 
| THRESHOLD_TYPE | VARCHAR2(8) |  | Source of the threshold: | 
| METRICS_NAME | VARCHAR2(64) |  | Name of the metric being monitored | 
| WARNING_OPERATOR | VARCHAR2(12) |  | Relational operator for warning thresholds: 
GT
EQ
LT
LE
GE
CONTAINS
NE
DO NOT CHECK
DO_NOT_CHECK
 | 
| WARNING_VALUE | VARCHAR2(256) |  | Warning threshold value | 
| CRITICAL_OPERATOR | VARCHAR2(12) |  | Relational operator for critical thresholds: 
GT
EQ
LT
LE
GE
CONTAINS
NE
DO NOT CHECK
DO_NOT_CHECK
 | 
| CRITICAL_VALUE | VARCHAR2(256) |  | Critical threshold value |