format

Alert.log: New timestamp format in Oracle 12.2

Timestamp Format Change

There’s an interesting change in the alert.log since Oracle Database 12.2.0.1: The format of the timestamps has changed.

If you compare the timestamps in Oracle 12.1 vs Oracle 12.2 you’ll recognize the change immediately:

Oracle 12.1 Oracle 12.2
Wed Feb 08 15:39:29 2017
Database mounted in Exclusive Mode
Lost write protection disabled
Completed: ALTER DATABASE   MOUNT
Wed Feb 08 15:39:29 2017
ALTER DATABASE OPEN
Wed Feb 08 15:39:29 2017
Ping without log force is disabled.
Starting background process TMON

2017-05-29T14:09:17.064493+02:00
Database mounted in Exclusive Mode
Lost write protection disabled
Completed: ALTER DATABASE   MOUNT
2017-05-29T14:09:17.252853+02:00
ALTER DATABASE OPEN
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