在MySQL中,可以使用整数类型(如TINYINT、SMALLINT、MEDIUMINT、INT和BIGINT)来存储整数值
创建一个包含整数类型的表:CREATE TABLE sales_data ( id INT AUTO_INCREMENT PRIMARY KEY, product_id INT, quantity_sold INT, price_per_unit DECIMAL(10, 2));向表中插入数据:INSERT INTO sales_data (product_id, quantity_sold, price_per_unit)VALUES (1, 10, 99.99), (2, 5, 49.99), (3, 20, 199.99), (1, 30, 99.99), (2, 15, 49.99);查询每个产品的总销售量:SELECT product_id, SUM(quantity_sold) as total_salesFROM sales_dataGROUP BY product_id;查询每个产品的平均销售价格:SELECT product_id, AVG(price_per_unit) as average_priceFROM sales_dataGROUP BY product_id;查询销售量最高的产品:SELECT product_id, SUM(quantity_sold) as total_salesFROM sales_dataGROUP BY product_idORDER BY total_sales DESCLIMIT 1;查询销售额最高的产品:SELECT product_id, SUM(quantity_sold * price_per_unit) as total_revenueFROM sales_dataGROUP BY product_idORDER BY total_revenue DESCLIMIT 1;这些示例展示了如何使用MySQL整数类型进行简单的数据分析。实际应用中,你可能需要根据具体需求编写更复杂的查询语句。


