Hi,
Trying to get the below result in query using group by from below 3 tables. if you notice there are two items in table 1. one item with color one another black. i thing we may use max(), min() function.
Result:
| PROJECT_NUM | INSPECT_DATE | DEFI_CODE | LIFE_SAFETY | ON_PRIOR_REP | REPAIR_TIME |
| 600002 | 6/8/2018 | C | * | Y | 10 |
| 600002 | 6/8/2018 | C | * | Y | 8 |
Table1:
| PROJECT_NUM | BUILDING_ID | INSPECT_DATE | PHY_COND | COND_CATEGORY | DEFI_CODE | LIFE_SAFETY | ON_PRIOR_REP | REPAIR_TIME |
| 600002 | 2559 | 6/8/2018 | EXTERIOR | Parapets | C | * | N | 10 |
| 600002 | 2559 | 6/8/2018 | EXTERIOR | Foundation Walls | M | Y | 8 | |
| 600002 | 2559 | 6/8/2018 | EXTERIOR | Facade | M | N | 5 | |
| 600002 | 2559 | 6/8/2018 | EXTERIOR | Roofs | M | N | 5 | |
| 600002 | 2559 | 6/8/2018 | EXTERIOR | Flashing | C | * | N | 8 |
| 600002 | 2559 | 6/8/2018 | EXTERIOR | Drains | M | * | Y | 4 |
| 600002 | 2559 | 6/8/2018 | EXTERIOR | Vents |
Table2:
| CATEGORY_ID | COND_CATEGORY | ITEM_INSPECTED | CREATION_DATE | LAST_UPDATE_DATE |
| 1 | Parapets | 1 | ||
| 2 | Facade | 1 | ||
| 3 | Foundation walls | 1 | ||
| 4 | Roofs | 2 | ||
| 5 | Flashing | 2 | ||
| 6 | Drains | 2 | ||
| 7 | Vents | 2 |
Table3:
| ITEM_INSPECTED | ITEM_DESCRIPTION | ITEM_CATEGORY | CREATION_DATE | LAST_UPDATE_DATE |
| 1 | Exterior Walls and foundation | Exterior Items Inspected | ||
| 2 | Roofs, flashing, vents | Exterior Items Inspected | ||
| 3 | Gutters, Downspouts, splash blocks | Exterior Items Inspected | ||
| 4 | Drives, parking lots, curbs | Exterior Items Inspected | ||
| 5 | Walks, steps, guardrails | Exterior Items Inspected | ||
| 6 | Fences, walls, gates | Exterior Items Inspected |