如何在SQL中创建客户拥有的产品组合。
英文: How to make the combination of products that a client has in SQL 问题 {#heading} ============= | Client | Product | |--------|---------| | 1 | A | | 1 | B | | 1 ...
英文: How to make the combination of products that a client has in SQL 问题 {#heading} ============= | Client | Product | |--------|---------| | 1 | A | | 1 | B | | 1 ...