Jak korzystać z grupy_concat na serwerze SQL
SELECT STRING_AGG(column_name, ',') AS Result
FROM table_name
Energetic Emu
SELECT STRING_AGG(column_name, ',') AS Result
FROM table_name
GROUP_CONCAT(eng_category_name SEPARATOR ',') as eng_category_name
SELECT
CONCAT(`Name`, ':', GROUP_CONCAT(`Value` SEPARATOR ',')) AS `Name`
FROM table
GROUP BY `Name`
//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;
STRING_AGG ( expression, separator ) [ <order_clause> ]
<order_clause> ::=
WITHIN GROUP ( ORDER BY <order_by_expression_list> [ ASC | DESC ] )
SELECT STRING_AGG(Genre, ',') AS Result
FROM Genres;
Result:
Result
--------------------------------------------
Rock,Jazz,Country,Pop,Blues,Hip Hop,Rap,Punk