The below statement is now running for 18 hours on a table with ~8 Million Rows, no triggers no fancy stuff. The database is otherwise performing very well and the server is a development server that's currently idle except for the update statement. Any suggestions why it takes so long to update a couple million rows?
update characters set last_update = null
Note: 'last_update' is a timestamp column but the column does not seem to influence the time it takes to complete the update.
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Oliver