| SCRIPT_ID | RAW(16) |  | Global unique ID of the recoverable script to which this block belongs | 
| BLOCK_NUM | NUMBER |  | The nth block in the recoverable script to be executed | 
| FORWARD_BLOCK | CLOB |  | Forward block to be executed | 
| FORWARD_BLOCK_DBLINK | VARCHAR2(128) |  | Database where the forward block is executed | 
| UNDO_BLOCK | CLOB |  | Block to roll back the forward operation | 
| UNDO_BLOCK_DBLINK | VARCHAR2(128) |  | Database where the undo block is executed | 
| STATUS | VARCHAR2(12) |  | Status of the block execution: GENERATING, NOT EXECUTED, EXECUTING, EXECUTED, or ERROR | 
| BLOCK_COMMENT | VARCHAR2(4000) |  | Comment for the block |