Update all SQL NULL values in multiple columns using Column level WHERE clause?

Question

We have a database with a bunch of wide tables (40-80 columns each) and just found a bug that introduced NULL values into about 500 of the records. The NULL values can appea

Answer 1

Since you have to do this all over the place i wrote some javascript to help you build the sql. cut and paste this into your browsers address bar to get your sql.

javascript:sql='update your table set ';x=0;while(x <= 40){sql += 'answer_'+x+ ' = coalesce(answer_'+x+',99),\n';x++;};alert(sql);