Assume that the database table has three columns are respectively the customer name, business name, trade name; Now need to put the customer name, shops of the same goods together, how do you write SQL statement? Pray god give directions

CodePudding user response:

No one can answer his answer
Search the answer is a function with stuff, but in the database is best to use less complicated logic function of the library search data is time-consuming, can be loaded into memory after the access to the basic data, and programming to realize the complex logic,

CodePudding user response:

https://blog.csdn.net/o0wufan0o/article/details/10359081