Query history ( oracle database )

Hello,

Our repository is stored in a oracle database.

In which column is the history of a ticket stored ?

I find <https://rt-wiki.bestpractical.com/wiki/Schema> ,

Is it the Table transactions,  Column data ? In Column objectid is the ticket id stored .
When I query the table transactions, I can't get the total history of one ticket.

Kind regards,
Tom
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