Learn what CONCAT is, why you should use it, and how to use it in SQL for BI analysis. See examples of how to join or link together strings or columns with CONCAT.

How to combine values into a single cell in .xls Excel files The newer features and functions that I’ll be using later in this article aren’t available in the earlier .xls format.

当我执行批量插入时，如果上述的SQL有批量插入3条以下，程序能完美执行，但是当我将批量插入的数据变为3条及其以上的时候，就会出现title的错误： ...