1. Enable flashback database (PRIMARY and STANDBY)
sqlplus>
alter database recover managed standby database cancel;
alter database flashback on;
alter database recover managed standby database using current logfile disconnect from session;
select flashback_on from v$database;
alter database recover managed standby database using current logfile disconnect from session;
select flashback_on from v$database;
2. Enable SYNC mode
DGMGRL>
edit database "bank01" set property LogXptMode='SYNC';
edit database "bank02" set property LogXptMode='SYNC';
edit database "bank02" set property LogXptMode='SYNC';
3. Enabling MaxAvailability mode
DGMGRL>
DGMGRL>
4. Checking the parameter values
DGMGRL>
DGMGRL>
show database verbose "bank01";
show database verbose "bank02";
show database verbose "bank02";
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