SQL subqueries with ‘exists’ clause and multiple tables
sorry, not enough reputation to post images. I have 3 SQL tables: x1: {‘a’:1,2,3,4,5}, x2: {‘c’:1,1,1,2,2,3,3, ‘d’:1,3,5,1,3,1,1}, x3: {‘b’:1,3,5} The…
Home Improvement and Remodeling
Home Improvement and Remodeling
sorry, not enough reputation to post images. I have 3 SQL tables: x1: {‘a’:1,2,3,4,5}, x2: {‘c’:1,1,1,2,2,3,3, ‘d’:1,3,5,1,3,1,1}, x3: {‘b’:1,3,5} The…