1) SQL Question\n![image](https://assets.leetcode.com/users/images/7aa71954-397b-4bc0-976b-2ffb23a0c088_1599013292.7294056.png)\n![image](https://assets.leetcode.com/users/images/9c7c9230-0e3d-4391-824c-f4c83eb1a75d_1599013300.2924223.png)\n![image](https://assets.leetcode.com/users/images/3850d255-eb4f-4d42-9ab3-5a8625397da5_1599013307.0976908.png)\n\n2) https://leetcode.com/discuss/interview-question/808348/amazon-oa-2020-disk-space-analysis

1) SQL Question\n\n\n\n\n2) https://leetcode.com/discuss/interview-question/808348/amazon-oa-2020-disk-space-analysis