+----------+------------------------------+--------+----------+-----------+--------------+------------+-------------+
| goods_id | goods_name | cat_id | brand_id | goods_sn | goods_number | shop_price | click_count |
+----------+------------------------------+--------+----------+-----------+--------------+------------+-------------+
| 1 | KD876 | 4 | 8 | ECS000000 | 10 | 1388.00 | 7 |
| 4 | 诺基亚N85原装充电器 | 8 | 1 | ECS000004 | 17 | 58.00 | 0 |
| 3 | 诺基亚原装5800耳机 | 8 | 1 | ECS000002 | 24 | 68.00 | 3 |
| 5 | 索爱原装M2卡读卡器 | 11 | 7 | ECS000005 | 8 | 20.00 | 3 |
| 6 | 胜创KINGMAX内存卡 | 11 | 0 | ECS000006 | 15 | 42.00 | 0 |
| 7 | 诺基亚N85原装立体声耳机HS-82 | 8 | 1 | ECS000007 | 20 | 100.00 | 0 |
| 8 | 飞利浦9@9v | 3 | 4 | ECS000008 | 17 | 399.00 | 9 |
| 9 | 诺基亚E66 | 3 | 1 | ECS000009 | 13 | 2298.00 | 20 |
| 10 | 索爱C702c | 3 | 7 | ECS000010 | 7 | 1328.00 | 11 |
| 11 | 索爱C702c | 3 | 7 | ECS000011 | 1 | 1300.00 | 0 |
| 12 | 摩托罗拉A810 | 3 | 2 | ECS000012 | 8 | 983.00 | 14 |
| 13 | 诺基亚5320 XpressMusic | 3 | 1 | ECS000013 | 8 | 1311.00 | 13 |
| 14 | 诺基亚5800XM | 4 | 1 | ECS000014 | 4 | 2625.00 | 6 |
| 15 | 摩托罗拉A810 | 3 | 2 | ECS000015 | 3 | 788.00 | 8 |
| 16 | 恒基伟业G101 | 2 | 11 | ECS000016 | 0 | 823.33 | 3 |
| 17 | 夏新N7 | 3 | 5 | ECS000017 | 1 | 2300.00 | 2 |
| 18 | 夏新T5 | 4 | 5 | ECS000018 | 1 | 2878.00 | 0 |
| 19 | 三星SGH-F258 | 3 | 6 | ECS000019 | 0 | 858.00 | 7 |
| 20 | 三星BC01 | 3 | 6 | ECS000020 | 13 | 280.00 | 14 |
| 21 | 金立 A30 | 3 | 10 | ECS000021 | 40 | 2000.00 | 4 |
| 22 | 多普达Touch HD | 3 | 3 | ECS000022 | 0 | 5999.00 | 15 |
| 23 | 诺基亚N96 | 5 | 1 | ECS000023 | 8 | 3700.00 | 17 |
| 24 | P806 | 3 | 9 | ECS000024 | 148 | 2000.00 | 36 |
| 25 | 小灵通/固话50元充值卡 | 13 | 0 | ECS000025 | 2 | 48.00 | 0 |
| 26 | 小灵通/固话20元充值卡 | 13 | 0 | ECS000026 | 2 | 19.00 | 0 |
| 27 | 联通100元充值卡 | 15 | 0 | ECS000027 | 2 | 95.00 | 0 |
| 28 | 联通50元充值卡 | 15 | 0 | ECS000028 | 0 | 45.00 | 0 |
| 29 | 移动100元充值卡 | 14 | 0 | ECS000029 | 0 | 90.00 | 0 |
| 30 | 移动20元充值卡 | 14 | 0 | ECS000030 | 9 | 18.00 | 1 |
| 31 | 摩托罗拉E8 | 3 | 2 | ECS000031 | 1 | 1337.00 | 5 |
| 32 | 诺基亚N85 | 3 | 1 | ECS000032 | 1 | 3010.00 | 9 |
+----------+------------------------------+--------+----------+-----------+--------------+------------+-------------+
二：嵌套查询使用
1.1:主键为32的商品
select goods_id,goods_name,shop_price
from ecs_goods
where goods_id=32;
1.2:不属第3栏目的所有商品
select goods_id,cat_id,goods_name,shop_price from ecs_goods
where cat_id!=3;
1.3:本店价格高于3000元的商品
select goods_id,cat_id,goods_name,shop_price from ecs_goods
where shop_price >3000;
1.4:本店价格低于或等于100元的商品
select goods_id,cat_id,goods_name,shop_price from ecs_goods where shop_price <=100;
1.5:取出第4栏目或第11栏目的商品(不许用or)
select goods_id,cat_id,goods_name,shop_price from ecs_goods
where cat_id in (4,11);
1.6:取出100<=价格<=500的商品(不许用and)
select goods_id,cat_id,goods_name,shop_price from ecs_goods
where shop_price between 100 and 500;
1.7:取出不属于第3栏目且不属于第11栏目的商品(and,或not in分别实现)
select goods_id,cat_id,goods_name,shop_price from ecs_goods where cat_id!=3 and cat_id!=11;
select goods_id,cat_id,goods_name,shop_price from ecs_goods where cat_id not in (3,11);
1.8:取出价格大于100且小于300,或者大于4000且小于5000的商品()
select goods_id,cat_id,goods_name,shop_price from ecs_goods where shop_price>100 and shop_price <300 or shop_price >4000 and shop_price <5000;
1.9:取出第3个栏目下面价格<1000或>3000,并且点击量>5的系列商品
select goods_id,cat_id,goods_name,shop_price,click_count from ecs_goods where
cat_id=3 and (shop_price <1000 or shop_price>3000) and click_count>5;
1.10:取出第1个栏目下面的商品(注意:1栏目下面没商品,但其子栏目下有)
select goods_id,cat_id,goods_name,shop_price,click_count from ecs_goods
where cat_id in (2,3,4,5);
1.11:取出名字以"诺基亚"开头的商品
select goods_id,cat_id,goods_name,shop_price from ecs_goods where goods_name like '诺基亚%';
1.12:取出名字为"诺基亚Nxx"的手机
select goods_id,cat_id,goods_name,shop_price from ecs_goods
where goods_name like '诺基亚N__';
1.13:取出名字不以"诺基亚"开头的商品
select goods_id,cat_id,goods_name,shop_price from ecs_goos
where goods_name not like '诺基亚%';
1.14:取出第3个栏目下面价格在1000到3000之间,并且点击量>5 "诺基亚"开头的系列商品
select goods_id,cat_id,goods_name,shop_price from ecs_goods where
cat_id=3 and shop_price>1000 and shop_price <3000 and click_count>5 and goods_name like '诺基亚%';
select goods_id,cat_id,goods_name,shop_price from ecs_goods where
shop_price between 1000 and 3000 and cat_id=3 and click_count>5 and goods_name like '诺基亚%';
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