Data Guard Protection Modes
The availability and consistency of the Standby Database changed evermore throughout the last years and by that the loss of transactions decreased till 0 transactions. Originally only the archived Redolog files were transmitted to the Standby side and loaded there. By this the loss of transactions was in scale of one redolog file. With the 9i version Oracle then introduced the Standby Redologs, so transactions could now be transmitted right from the Online Redologs into the Standby Redologs and loaded immediately. So the loss of transactions was only a few transactions. With the 10g version then the LNS process was
Data Guard Protection Modes Blogbeitrag lesen »