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http://data.stackexchange.com/stackoverflow/s/1323/ownerdisplayname shows that many posts have a OwnerDisplayName field that is different from the user's current display name (which is what the SO web site actually shows). The same is true for LastEditorDisplayName. What is the reason why this discrepancy has not been corrected?

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There's a bunch of other columns with similar issues: here's a query that trawls them for old usernames. Among the less surprising factoids it reveals is that Pëkka didn't always have an umlaut. – Ilmari Karonen Apr 16 at 21:41

1 Answer 1

The Stack Exchange Data Explorer is not live but is only updated monthly (if that). Thus, changes in the intervening time will not be reflected.

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I've updated the query to make this a bit more clear: there is a discrepancy even in what should be the same old database version. – PleaseStand May 8 '11 at 23:50

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