Seems like all you want is something like?

UPDATE banned SET evidence = 'http://path-to-something/'||name ;


How to update an SQL column using a known perm link while appending a value from another column within the same table?
The hypergeometric distribution is defined for $\max(0, n+K-N)\leq k\leq \min(K,n).$
But, when we use Vandermonde's identity to prove that probabilities sum to $1$, then we use the range of $0\leq k \leq n.$ I wonder how this is justified?
