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The following content mainly brings you the meaning of using the GROUP_CONCAT () function. The knowledge mentioned is slightly different from the books. It is summed up by professional and technical personnel in the process of contact with users, and has a certain value of experience sharing. I hope to bring help to the majority of readers.

Before use

Select A_ID, B_ID from CustomerInfo

After use

Select AggID from CustomerInfo order by A_ID GROUPPUBG Concat (B_ID)

Note: GROUP_CONCAT () must be used with group by

For the above significance of using the GROUP_CONCAT () function, if you need to know more, you can continue to pay attention to the innovation of our industry. If you need professional solutions, you can contact the pre-sales and after-sales on the official website. I hope this article can bring you some knowledge updates.

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