GROUP_CONCAT(eng_category_name SEPARATOR ',') as eng_category_name
/* 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
SELECT li.client_id, group_concat(li.percentage ORDER BY li.views ASC) AS views,
group_concat(li.percentage ORDER BY li.percentage ASC)
FROM li GROUP BY client_id
//returns the concatenated string from multiple rows into a single string
SELECT emp_id, emp_fname, emp_lname, dept_id,
GROUP_CONCAT(designation) as "designation" FROM employee group by emp_id;