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Beginning with TD14 statistics are no longer stored in dbc.TVFields and dbc.Indexes, they have been moved into dbc.StatsTbl to facilitate several enhancements. A new view dbc.StatsV returns much of the information previously extracted in my StatsInfo query.

But of course this is still not enough information, at least not for me ;-)

To add or drop a column or modify the list of compressed values of an existing table is a quite expensive operation. For a large table it might result in a huge amount of CPU and IO usage and a loooooooong runtime. This blog discusses the pros and cons of the different ways to do it.