jeckyhl

VARCHAR(MAX) would do the trick -- you can store as many characters as you want (up to 2 Go) in VARCHAR(MAX) field As it is stated [here](http://stackoverflow.com/questions/834788/using-varcharmax-vs-text-on-sql-server): > The VARCHAR(MAX)...

I can't help about the schema upgrade problematic.. it seems to be more tricky than one could expect ! @dregad about your two questions: > is `VARCHAR(MAX)` valid for all...

1°) I think your approach is indeed cleaner. Works fine for me (tested with MantisBT 1.2.12/SQL Server 2008)