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  • Thanks !! I don't have any default values . Commented Nov 17, 2016 at 11:27
  • Is both the above mentioned same ? Both will take same time to execute? Because for one we are changing type , on other hand we are updating for new column . Commented Nov 17, 2016 at 11:58
  • yeah. forgot to mention :) Commented Nov 17, 2016 at 12:09
  • Is there a way to accommodate the default value too? Commented Feb 2, 2017 at 19:24