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更新了数据分析相关章节内容
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@jackfrued
jackfrued committed Dec 13, 2020
1 parent d1f0857 commit a4355b8
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28 changes: 14 additions & 14 deletions Day36-40/code/SRS_create_and_init.sql
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Original file line number Diff line number Diff line change
Expand Up @@ -74,17 +74,17 @@ insert into tb_college (collname, collintro) values
-- 插入学生数据
insert into tb_student (stuid, stuname, stusex, stubirth, stuaddr, collid)
values
(1001, '杨逍', 1, '1990-3-4', '四川成都', 1),
(1002, '任我行', 1, '1992-2-2', '湖南长沙', 1),
(1033, '王语嫣', 0, '1989-12-3', '四川成都', 1),
(1572, '岳不群', 1, '1993-7-19', '陕西咸阳', 1),
(1378, '纪嫣然', 0, '1995-8-12', '四川绵阳', 1),
(1954, '林平之', 1, '1994-9-20', '福建莆田', 1),
(2035, '东方不败', 1, '1988-6-30', null, 2),
(3011, '林震南', 1, '1985-12-12', '福建莆田', 3),
(3755, '项少龙', 1, '1993-1-25', null, 3),
(3923, '杨不悔', 0, '1985-4-17', '四川成都', 3),
(4040, '炼腰的隔壁老王', 1, '1989-1-1', '四川成都', 2);
(1001, '杨逍', 1, '1990-3-4', '四川成都', 1),
(1002, '任我行', 1, '1992-2-2', '湖南长沙', 1),
(1033, '王语嫣', 0, '1989-12-3', '四川成都', 1),
(1572, '岳不群', 1, '1993-7-19', '陕西咸阳', 1),
(1378, '纪嫣然', 0, '1995-8-12', '四川绵阳', 1),
(1954, '林平之', 1, '1994-9-20', '福建莆田', 1),
(2035, '东方不败', 1, '1988-6-30', null, 2),
(3011, '林震南', 1, '1985-12-12', '福建莆田', 3),
(3755, '项少龙', 1, '1993-1-25', null, 3),
(3923, '杨不悔', 0, '1985-4-17', '四川成都', 3),
(4040, '炼腰的隔壁老王', 1, '1989-1-1', '四川成都', 2);

-- 删除学生数据
delete from tb_student where stuid=4040;
Expand Down Expand Up @@ -210,17 +210,17 @@ select stuid as 学号, avg(scmark) as 平均分 from tb_score group by stuid ha

-- 查询年龄最大的学生的姓名(子查询/嵌套的查询)
select stuname from tb_student where stubirth=(
select min(stubirth) from tb_student
select min(stubirth) from tb_student
);

-- 查询年龄最大的学生姓名和年龄(子查询+运算)
select stuname as 姓名, year(now())-year(stubirth) as 年龄 from tb_student where stubirth=(
select min(stubirth) from tb_student
select min(stubirth) from tb_student
);

-- 查询选了两门以上的课程的学生姓名(子查询/分组条件/集合运算)
select stuname from tb_student where stuid in (
select stuid from tb_score group by stuid having count(stuid)>2
select stuid from tb_score group by stuid having count(stuid)>2
)

-- 查询学生姓名、课程名称以及成绩(连接查询)
Expand Down
124 changes: 124 additions & 0 deletions Day36-40/code/order_sys.sql
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Original file line number Diff line number Diff line change
@@ -0,0 +1,124 @@
-- 交易表
CREATE TABLE `transaction` (
`id` int(10) unsigned NOT NULL AUTO_INCREMENT,
`order_sn` varchar(255) COLLATE utf8mb4_unicode_ci NOT NULL COMMENT '交易单号',
`member_id` bigint(20) NOT NULL COMMENT '交易的用户ID',
`amount` decimal(8,2) NOT NULL COMMENT '交易金额',
`integral` int(11) NOT NULL DEFAULT '0' COMMENT '使用的积分',
`pay_state` tinyint(4) NOT NULL COMMENT '支付类型 0:余额 1:微信 2:支付宝 3:xxx',
`source` varchar(255) COLLATE utf8mb4_unicode_ci NOT NULL COMMENT '支付来源 wx app web wap',
`status` tinyint(4) NOT NULL DEFAULT '0' COMMENT '支付状态 -1：取消 0 未完成 1已完成 -2:异常',
`completion_time` int(11) NOT NULL COMMENT '交易完成时间',
`note` varchar(255) COLLATE utf8mb4_unicode_ci DEFAULT NULL COMMENT '备注',
`created_at` timestamp NULL DEFAULT NULL,
`updated_at` timestamp NULL DEFAULT NULL,
PRIMARY KEY (`id`),
KEY `transaction_order_sn_member_id_pay_state_source_status_index` (`order_sn`(191),`member_id`,`pay_state`,`source`(191),`status`)
) ENGINE=InnoDB AUTO_INCREMENT=36 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

-- 交易记录表
CREATE TABLE `transaction_record` (
`id` int(10) unsigned NOT NULL AUTO_INCREMENT,
`order_sn` varchar(255) COLLATE utf8mb4_unicode_ci NOT NULL,
`events` text COLLATE utf8mb4_unicode_ci NOT NULL COMMENT '事件详情',
`result` text COLLATE utf8mb4_unicode_ci COMMENT '结果详情',
`created_at` timestamp NULL DEFAULT NULL,
`updated_at` timestamp NULL DEFAULT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=36 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;


-- 订单表
CREATE TABLE `order` (
`id` int(10) unsigned NOT NULL AUTO_INCREMENT,
`order_no` varchar(100) COLLATE utf8mb4_unicode_ci NOT NULL COMMENT '订单编号',
`order_sn` varchar(100) COLLATE utf8mb4_unicode_ci NOT NULL COMMENT '交易号',
`member_id` int(11) NOT NULL COMMENT '客户编号',
`supplier_id` int(11) NOT NULL COMMENT '商户编码',
`supplier_name` varchar(255) COLLATE utf8mb4_unicode_ci NOT NULL COMMENT '商户名称',
`order_status` tinyint(4) NOT NULL DEFAULT '0' COMMENT '订单状态 0未付款,1已付款,2已发货,3已签收,-1退货申请,-2退货中,-3已退货,-4取消交易',
`after_status` tinyint(4) NOT NULL DEFAULT '0' COMMENT '用户售后状态 0 未发起售后 1 申请售后 -1 售后已取消 2 处理中 200 处理完毕',
`product_count` int(11) NOT NULL DEFAULT '0' COMMENT '商品数量',
`product_amount_total` decimal(12,4) NOT NULL COMMENT '商品总价',
`order_amount_total` decimal(12,4) NOT NULL DEFAULT '0.0000' COMMENT '实际付款金额',
`logistics_fee` decimal(12,4) NOT NULL COMMENT '运费金额',
`address_id` int(11) NOT NULL COMMENT '收货地址编码',
`pay_channel` tinyint(4) NOT NULL DEFAULT '0' COMMENT '支付渠道 0余额 1微信 2支付宝',
`out_trade_no` varchar(255) COLLATE utf8mb4_unicode_ci DEFAULT NULL COMMENT '订单支付单号',
`escrow_trade_no` varchar(255) COLLATE utf8mb4_unicode_ci DEFAULT NULL COMMENT '第三方支付流水号',
`pay_time` int(11) NOT NULL DEFAULT '0' COMMENT '付款时间',
`delivery_time` int(11) NOT NULL DEFAULT '0' COMMENT '发货时间',
`order_settlement_status` tinyint(4) NOT NULL DEFAULT '0' COMMENT '订单结算状态 0未结算 1已结算',
`order_settlement_time` int(11) NOT NULL DEFAULT '0' COMMENT '订单结算时间',
`is_package` enum('0','1') COLLATE utf8mb4_unicode_ci NOT NULL DEFAULT '0' COMMENT '是否是套餐',
`is_integral` enum('0','1') COLLATE utf8mb4_unicode_ci NOT NULL DEFAULT '0' COMMENT '是否是积分产品',
`created_at` timestamp NULL DEFAULT NULL,
`updated_at` timestamp NULL DEFAULT NULL,
`deleted_at` timestamp NULL DEFAULT NULL,
PRIMARY KEY (`id`),
UNIQUE KEY `order_order_sn_unique` (`order_sn`),
KEY `order_order_sn_member_id_order_status_out_trade_no_index` (`order_sn`,`member_id`,`order_status`,`out_trade_no`(191))
) ENGINE=InnoDB AUTO_INCREMENT=44 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

-- 售后申请表
CREATE TABLE `order_returns_apply` (
`id` int(10) unsigned NOT NULL AUTO_INCREMENT,
`order_no` varchar(255) COLLATE utf8mb4_unicode_ci NOT NULL COMMENT '订单单号',
`order_detail_id` varchar(255) COLLATE utf8mb4_unicode_ci NOT NULL COMMENT '子订单编码',
`return_no` varchar(255) COLLATE utf8mb4_unicode_ci NOT NULL COMMENT '售后单号',
`member_id` int(11) NOT NULL COMMENT '用户编码',
`state` tinyint(4) NOT NULL COMMENT '类型 0 仅退款 1退货退款',
`product_status` tinyint(4) NOT NULL DEFAULT '0' COMMENT '货物状态 0:已收到货 1:未收到货',
`why` varchar(255) COLLATE utf8mb4_unicode_ci DEFAULT NULL COMMENT '退换货原因',
`status` tinyint(4) NOT NULL DEFAULT '0' COMMENT '审核状态 -1 拒绝 0 未审核 1审核通过',
`audit_time` int(11) NOT NULL DEFAULT '0' COMMENT '审核时间',
`audit_why` varchar(255) COLLATE utf8mb4_unicode_ci DEFAULT NULL COMMENT '审核原因',
`note` text COLLATE utf8mb4_unicode_ci COMMENT '备注',
`created_at` timestamp NULL DEFAULT NULL,
`updated_at` timestamp NULL DEFAULT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

-- 售后记录表
CREATE TABLE `order_returns` (
`id` int(10) unsigned NOT NULL AUTO_INCREMENT,
`returns_no` varchar(255) COLLATE utf8mb4_unicode_ci NOT NULL COMMENT '退货编号 供客户查询',
`order_id` int(11) NOT NULL COMMENT '订单编号',
`express_no` varchar(255) COLLATE utf8mb4_unicode_ci DEFAULT NULL COMMENT '物流单号',
`consignee_realname` varchar(255) COLLATE utf8mb4_unicode_ci NOT NULL COMMENT '收货人姓名',
`consignee_telphone` varchar(255) COLLATE utf8mb4_unicode_ci NOT NULL COMMENT '联系电话',
`consignee_telphone2` varchar(255) COLLATE utf8mb4_unicode_ci NOT NULL COMMENT '备用联系电话',
`consignee_address` varchar(255) COLLATE utf8mb4_unicode_ci NOT NULL COMMENT '收货地址',
`consignee_zip` varchar(255) COLLATE utf8mb4_unicode_ci NOT NULL COMMENT '邮政编码',
`logistics_type` varchar(255) COLLATE utf8mb4_unicode_ci NOT NULL COMMENT '物流方式',
`logistics_fee` decimal(12,2) NOT NULL COMMENT '物流发货运费',
`order_logistics_status` int(11) DEFAULT NULL COMMENT '物流状态',
`logistics_settlement_status` int(11) DEFAULT NULL COMMENT '物流结算状态',
`logistics_result_last` varchar(255) COLLATE utf8mb4_unicode_ci DEFAULT NULL COMMENT '物流最后状态描述',
`logistics_result` varchar(255) COLLATE utf8mb4_unicode_ci DEFAULT NULL COMMENT '物流描述',
`logistics_create_time` int(11) DEFAULT NULL COMMENT '发货时间',
`logistics_update_time` int(11) DEFAULT NULL COMMENT '物流更新时间',
`logistics_settlement_time` int(11) DEFAULT NULL COMMENT '物流结算时间',
`returns_type` tinyint(4) NOT NULL DEFAULT '0' COMMENT '0全部退单 1部分退单',
`handling_way` varchar(255) COLLATE utf8mb4_unicode_ci NOT NULL COMMENT 'PUPAWAY:退货入库;REDELIVERY:重新发货;RECLAIM-REDELIVERY:不要求归还并重新发货; REFUND:退款; COMPENSATION:不退货并赔偿',
`returns_amount` decimal(8,2) NOT NULL COMMENT '退款金额',
`return_submit_time` int(11) NOT NULL COMMENT '退货申请时间',
`handling_time` int(11) NOT NULL COMMENT '退货处理时间',
`remark` text COLLATE utf8mb4_unicode_ci NOT NULL COMMENT '退货原因',
PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;

-- 评价表
CREATE TABLE `order_appraise` (
`id` int(10) unsigned NOT NULL AUTO_INCREMENT,
`order_id` int(11) NOT NULL COMMENT '订单编码',
`info` text COLLATE utf8mb4_unicode_ci NOT NULL COMMENT '评论内容',
`level` enum('-1','0','1') COLLATE utf8mb4_unicode_ci NOT NULL COMMENT '级别 -1差评 0中评 1好评',
`desc_star` tinyint(4) NOT NULL COMMENT '描述相符 1-5',
`logistics_star` tinyint(4) NOT NULL COMMENT '物流服务 1-5',
`attitude_star` tinyint(4) NOT NULL COMMENT '服务态度 1-5',
`created_at` timestamp NULL DEFAULT NULL,
`updated_at` timestamp NULL DEFAULT NULL,
PRIMARY KEY (`id`),
KEY `order_appraise_order_id_index` (`order_id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
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