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 |