MySQL GROUP_CONCAT Function: Examples

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Examples
Sample Database

#1

SELECT 
    GROUP_CONCAT(country)
FROM
    customers;

#2

SELECT 
    GROUP_CONCAT(DISTINCT country)
FROM
    customers;

#3

SELECT 
    GROUP_CONCAT(DISTINCT country
        ORDER BY country)
FROM
    customers;

#4

SELECT 
    GROUP_CONCAT(DISTINCT country
        ORDER BY country
        SEPARATOR ';')
FROM
    customers;

#5

SELECT 
    employeeNumber, firstname, lastname, customername
FROM
    employees
        INNER JOIN
    customers ON customers.salesRepEmployeeNumber = employees.employeeNumber
ORDER BY firstname , lastname;

#6

SELECT 
    employeeNumber,
    firstName,
    lastName,
    GROUP_CONCAT(DISTINCT customername
        ORDER BY customerName)
FROM
    employees
        INNER JOIN
    customers ON customers.salesRepEmployeeNumber = employeeNumber
GROUP BY employeeNumber
ORDER BY firstName , lastname;

#7

SELECT 
    GROUP_CONCAT(CONCAT_WS(', ', contactLastName, contactFirstName)
        SEPARATOR ';')
FROM
    customers;

#8

SELECT 
    GROUP_CONCAT(DISTINCT country
        SEPARATOR ';')
FROM
    customers
ORDER BY country;

Table List

customers

SELECT * FROM customers;

employees

SELECT * FROM employees;

offices

SELECT * FROM offices;

orderdetails

SELECT * FROM orderdetails;

orders

SELECT * FROM orders;

payments

SELECT * FROM payments;

productlines

SELECT * FROM productlines;

products

SELECT * FROM products;

SQL Query

Execute

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Result