SQL Guide : Database system tables and system views : System tables for data synchronization : SYS_SYNC_REPLICA_STORED_BLOB_REFS
  
SYS_SYNC_REPLICA_STORED_BLOB_REFS
The BLOBs in the flow message are stored in this table. The implementation sees to it that the BLOB is physically saved on disk once only even if it is logically saved several times.
Column name
Description
MASTER_ID
Internal ID of the master database from which the message has been received.
MSG_ID
Internal ID of the message.
BLOB_NUM
The number that identifies the BLOB.
DATA
A reference to the BLOB.
See also
System tables for data synchronization