MySQL COUNT: Examples

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Examples
Sample Database

#1

SELECT productline, count(*)
FROM products
GROUP BY productline;

#2

SELECT productvendor, count(*)
FROM products
GROUP BY productvendor;

#3

SELECT productvendor, count(*)
FROM products
GROUP BY productvendor
HAVING count(*) >= 9;

#4

SELECT COUNT(IF(status='Cancelled',1, NULL)) 'Cancelled',
       COUNT(IF(status='On Hold',1, NULL)) 'On Hold',
       COUNT(IF(status='Disputed',1, NULL)) 'Disputed'
FROM orders;

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