Advanced MySql Query: Update table with info from another table

Question

I would like to update a table in mySql with data from another table.

I have two tables \"people\" and \"business\". The people table is linked to the business tabl

Answer 1

UPDATE business b, people p
   SET b.email = p.email
 WHERE b.business_id = p.business_id
   AND p.sort_order = '1'
   AND b.email = ''