On 10/05/18 22:30, Leyne, Sean wrote:
No other database engine is maintaining various versions at the same
time.
Fortunately.
I believe that Oracle is.

I already put here link describing that when tz db is updated, times may
change if used in wrong version.
I think I misunderstood which "version" you were referring to.

Oracle uses two external files of timezone data. If they use the larger format file then they can't transfer that data to a system using the smaller format file. The smaller file has only a subset of timezone ID's and even the large one is missing valid backzone id's and even some main list entries!

The versioning only seems to affect the format of the iles, not the content.

--
Lester Caine - G8HFL
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