Databricks day of month

- Databricks first day of month
- Databricks last day of month
- Databricks sql first day of month
- Databricks sql last day of month
- Databricks get first day of month
- Databricks get last day of month
- Databricks get first day of month from date
- Databricks sql get first day of month
- Databricks last day of previous month
- Databricks first day of last month
- Azure databricks last day of month