将此语句转换为sql查询

Question

仅对于拥有100个以上顾客的包裹，显示包裹号和每个包裹号的顾客数量。

SELECT pack_num, COUNT(customer) 
FROM table_name 
GROUP BY pack_num
HAVING COUNT(customer) >100

此查询正确吗？如果没有，请纠正我。

Answer 1

要仅计算独特的客户，您可以添加DISTINCT to the COUNT。

My-iMac:TIS my$ mssql -u tisApp -p pasSw0rd
Connecting to localhost...done

sql-cli version 0.6.2
Enter ".help" for usage hints.
mssql>