mysql資料庫sql學習
阿新 • • 發佈:2020-12-16
mysql學習
group by學習
SELECT product, SUM( guidance_price ) AS guidancePrice, COUNT( enterprise_name ) AS enterpriseNumber, sum( order_quantity ) AS orderQuantity, sum( order_amount ) AS orderAmount, sum( capacity ) AS capacity, sum( yield ) AS yield FROM enterprise_data WHERE node_id = 'CM-CAUS' GROUP BY product