Check the below input data and expected output to find the name of the column which has all NULL records. Input Data: [crayon-6629f2a557c45996336917/] Expected Output: [crayon-6629f2a557c4f187326109/] Create a sample table with data: [crayon-6629f2a557c51780641110/] Solution: [crayon-6629f2a557c52531940120/] Please try the different solution for this puzzle and share it via comment... Reference taken from here: Oct 8, 2017Anvesh […]