mysql 8.0 group_concat sample code example
Example 1: group_concat mysql
GROUP_CONCAT(expr);
Example 2: mysql group concat
/* By deafult separe itens by "," */
group_concat(p.nameItem) as listProdItem
/* Used <br> to list itens one below the other in HTML page */
group_concat(p.nameItem separator '<br>') as listProdItem