How to combine multiple columns as one and format with custom strings?

Question

SELECT id,  AS name FROM `table`

Basically is a combination of
lastname + \', \' + firstname

example wo

Answer 1

You can use GROUP_CONCAT():

Example of getting all the column names of a table separated by comma:

SELECT GROUP_CONCAT(c.`COLUMN_NAME`) FROM information_schema.`COLUMNS` c
WHERE c.`TABLE_SCHEMA` = "DB_NAME" AND c.`TABLE_NAME`="TABLE_NAME"

Output:

column_name_1,column_name_2,column_name_3,column_name_4,...