怎么限定返回同時滿足兩個條件的結果
SELECT goods_name,goods_price FROM goods WHERE goods_price>(SELECT AVG(goods_price) FROM goods WHERE goods_cate='phone'); 這句會把所有類型產品價格大于平均價格的結果返回,我想要的是既要大于平均價格又要good_cate='phone'
SELECT goods_name,goods_price FROM goods WHERE goods_price>(SELECT AVG(goods_price) FROM goods WHERE goods_cate='phone'); 這句會把所有類型產品價格大于平均價格的結果返回,我想要的是既要大于平均價格又要good_cate='phone'
2016-10-25
舉報
2016-10-25
SELECT goods_name,goods_price FROM goods WHERE goods_price>(SELECT AVG(goods_price) FROM goods WHERE goods_cate='phone') (在這加); ?應該加個????AND?good_cate='phone'就行吧,
請把結果告訴我哈。