| # Task: 004 |
|
|
| **Database:** retails |
|
|
| ## Question |
| Find all customers with high account balances and list their number of priority orders. |
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|
|
|
| ## Gold Query |
|
|
| ```sql |
| WITH high_balance_customers AS ( |
| SELECT c_custkey, c_name, c_acctbal |
| FROM customer |
| WHERE c_acctbal > :account_balance_threshold |
| ) |
| SELECT c.c_custkey, |
| c.c_name, |
| c.c_acctbal, |
| COUNT(CASE WHEN o.o_orderpriority IN ('1-URGENT') THEN o.o_orderkey END) AS num_priority_order |
| FROM high_balance_customers c |
| LEFT JOIN orders o ON c.c_custkey = o.o_custkey |
| GROUP BY c.c_custkey, c.c_name |
| ORDER BY c.c_acctbal DESC; |
| ``` |
|
|
| **Execution Result:** |
|
|
| | c_custkey | c_name | c_acctbal | num_priority_order | |
| |-------------|--------------------|-------------|----------------------| |
| | 14740 | Customer#000014740 | 9999.96 | 2 | |
| | 118127 | Customer#000118127 | 9999.94 | 3 | |
| | 48616 | Customer#000048616 | 9999.84 | 3 | |
| | 75730 | Customer#000075730 | 9999.8 | 2 | |
| | 73836 | Customer#000073836 | 9999.75 | 0 | |
| | 72823 | Customer#000072823 | 9999.65 | 5 | |
| | 122154 | Customer#000122154 | 9999.6 | 0 | |
| | 330 | Customer#000000330 | 9999.59 | 0 | |
| | 97961 | Customer#000097961 | 9999.56 | 2 | |
| | 7986 | Customer#000007986 | 9999.53 | 0 | |
| | ... | ... | ... | ... | |
| | 37004 | Customer#000037004 | 9990.8 | 4 | |
| | 119550 | Customer#000119550 | 9990.75 | 0 | |
| | 64857 | Customer#000064857 | 9990.71 | 0 | |
| | 88466 | Customer#000088466 | 9990.57 | 2 | |
| | 48997 | Customer#000048997 | 9990.54 | 5 | |
| | 70545 | Customer#000070545 | 9990.36 | 0 | |
| | 58141 | Customer#000058141 | 9990.3 | 3 | |
| | 104991 | Customer#000104991 | 9990.27 | 0 | |
| | 43643 | Customer#000043643 | 9990.11 | 1 | |
| | 101724 | Customer#000101724 | 9990.08 | 0 | |
| |
| *... truncated (155 rows total)* |
