Need to implement high availability

Need to implement high availability

 

  

Hi all,


How to implement the below strategy ?

Iam having two database primary and secondary or standby. If my primray
database is down,automatically my secondaray database should start
functioning with out any loss of data.

How to implement this strategy ? Can any one help me with the steps need to
be performed.

Thanks and regards,
Siva.

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