| SOURCE_NAME | VARCHAR2(30) | NOT NULL | Name of the change source | 
| DBID | NUMBER |  | Database identifier | 
| LOG_DIRECTORY | VARCHAR2(2000) |  | Log file directory location | 
| LOGFILE_PATTERN | VARCHAR2(30) |  | Wildcard pattern for log file names | 
| SOURCE_DESCRIPTION | VARCHAR2(255) |  | Description of the change source | 
| CREATED | DATE | NOT NULL | Creation date of the change source | 
| SOURCE_TYPE | VARCHAR2(18) |  | Capture mode of the change source: 
AUTOLOG
HOTLOG
SYNCHRONOUS
DISTRIBUTED HOTLOG
AUTOLOG ONLINE
 | 
| SOURCE_DATABASE | VARCHAR2(128) |  | Global name of the source database | 
| FIRST_SCN | NUMBER |  | SCN of a LogMiner dictionary at which capture can begin | 
| PUBLISHER | VARCHAR2(30) |  | Publisher of the change source | 
| CAPTURE_NAME | VARCHAR2(30) |  | Name of the Streams capture process | 
| CAPTURE_QUEUE_NAME | VARCHAR2(30) |  | Name of the Streams capture queue name | 
| CAPTURE_QUEUE_TABLE_NAME | VARCHAR2(30) |  | Name of the Streams capture table | 
| SOURCE_ENABLED | VARCHAR2(1) |  | Indicates whether the change source is enabled ( Y) or not (N) |