Warning: ALTER DATABASE RECOVER MANAGED STANDBY DATABASE USING CURRENT LOGFILE has been deprecated

To start managed recovery process (MRP) with real time apply ( RTA):
11c: ALTER DATABASE RECOVER MANAGED STANDBY DATABASE USING CURRENT LOGFILE DISCONNECT FROM SESSION;
12c: ALTER DATABASE RECOVER MANAGED STANDBY DATABASE DISCONNECT NODELAY;

This warning will be seen in alert log if we issue the same command in 12c as we have done in 11c:

SQL>ALTER DATABASE RECOVER MANAGED STANDBY DATABASE USING CURRENT LOGFILE DISCONNECT FROM SESSION;

Instead we can use the following command to eliminate the WARNING:

SQL> alter database recover managed standby database disconnect nodelay;

Database altered.

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