Database name: W1 Table 'allocations' id Bill Month Carrier 2015-12-01 2018-07-01 2015-08-01 ATT ATT ATT Database name: W2 Table 'users id emai sswor John@gmail.com bingo@hotmail.com Mario@gmail.com 1234 5678 9876 4 I want to find the differences that are in 'users' table but not in 'allocations' table by their respective id and where bill month is 'June