On Fri, May 8, 2020 at 1:41 PM Rob Sargent <robjsarg...@gmail.com> wrote:
> My understanding is the keys in the info_table need to change. That > causes the very expensive update in the update in the data tables. No? > The keys in the info_table need to change because their contents are no longer legal to be stored (OP has not specified but think using an integer value of someones social security number as a key). The FK side of the relationship equality has the same illegal data values problem and need to be changed too. David J.
