Stores each change to be propagated to subscriber nodes
Structure of sl_log_2
integer
Origin node from which the change came
xxid
Transaction ID on the origin node
integer
The table ID (from sl_table.tab_id) that this log entry is to affect
bigint
character(1)
Replication action to take. U = Update, I = Insert, D = DELETE
text
The data needed to perform the log action