# Task: 022

**Database:** retails  

## Question
Show the customer with the highest account balance for each area.


## Gold Query

```sql
SELECT c_mktsegment, c_custkey, c_name, c_acctbal
FROM (
SELECT c.c_mktsegment,
c.c_custkey,
c.c_name,
c.c_acctbal,
RANK() OVER (PARTITION BY c.c_mktsegment ORDER BY c.c_acctbal DESC) AS rn
FROM customer c
) t
WHERE rn = 1;
```

**Execution Result:**

| c_mktsegment   |   c_custkey | c_name             |   c_acctbal |
|----------------|-------------|--------------------|-------------|
| AUTOMOBILE     |       21734 | Customer#000021734 |     9998.72 |
| BUILDING       |         330 | Customer#000000330 |     9999.59 |
| FURNITURE      |       72823 | Customer#000072823 |     9999.65 |
| HOUSEHOLD      |       48616 | Customer#000048616 |     9999.84 |
| MACHINERY      |       14740 | Customer#000014740 |     9999.96 |

*5 rows*