# SQL Learning Links
| S. | Description | Link |
|---|---|---|
| 1 | Divide timestamp on an hourly basis of some dates. | Link |
| 2 | Mysql Sum | Link |
| 3 | Remove Duplicates | Link |
| 4 | Top Ranking Yearly per Group | Link |
| 5 | Condition on date | Link |
| 6 | MySQL Query GROUP BY (day / month / year) | Link |
| 7 | MySQL Conditional Join with different table | Link |