我設計了手機數據庫表&關稅。電話資費網站的ERD - 這是最佳的嗎?
它應該支持多種移動網絡,銷售類型和相關聯盟。
積分(對於運營商)取決於所選的電話,資費,網絡和銷售類型。
例價格計劃:
T-Mobile的:消費升級
- 三星Galaxy S3
- 關稅賽:超級(每月費用:$ 12.00)
- 這'Retailer One'銷售子公司
- 共點:3.3
T-Mobile的:消費者新建連接
- 三星Galaxy S3
- 關稅賽:超級(每月費用:$ 35.00)
- 此次出售子公司與'零售商2'
- 總分數:7.3
AT &牛逼: '唯一的SIM卡交易'(沒有電話)
- 關稅:X-兩個處理(每月費用:$ 18.00)
- 此次出售子公司與 '零售商一個'
- 總點數:10.0
請看下面的表格設計,應該怎麼做?或者如何改進?
數據庫設計:
CREATE TABLE IF NOT EXISTS `affiliate` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`name` varchar(50) NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 AUTO_INCREMENT=3 ;
INSERT INTO `affiliate` (`id`, `name`) VALUES
(1, 'Retailer One'),
(2, 'Retailer Two');
CREATE TABLE IF NOT EXISTS `network` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`name` varchar(20) NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 AUTO_INCREMENT=3 ;
INSERT INTO `network` (`id`, `name`) VALUES
(1, 'T-Mobile'),
(2, 'AT&T');
CREATE TABLE IF NOT EXISTS `network_saletype` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`network_id` int(11) NOT NULL,
`saletype_id` int(11) NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 AUTO_INCREMENT=3 ;
INSERT INTO `network_saletype` (`id`, `network_id`, `saletype_id`) VALUES
(1, 1, 1),
(2, 2, 3);
CREATE TABLE IF NOT EXISTS `phone` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`name` varchar(50) NOT NULL,
`description` varchar(150) NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 AUTO_INCREMENT=3 ;
INSERT INTO `phone` (`id`, `name`, `description`) VALUES
(1, 'Samsung Galaxy S3', ' Quad-core, NFC, AMOLED'),
(2, 'Apple iPhone 4S', 'A5 chip, 8MP camera, Siri voice');
CREATE TABLE IF NOT EXISTS `phone_points` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`phone_id` int(11) NOT NULL,
`tarrif_id` int(11) NOT NULL,
`affilicate_id` int(11) NOT NULL,
`point` float NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 AUTO_INCREMENT=3 ;
INSERT INTO `phone_points` (`id`, `phone_id`, `tarrif_id`, `affilicate_id`, `point`) VALUES
(1, 1, 1, 1, 3.3),
(2, 1, 2, 2, 7.3);
CREATE TABLE IF NOT EXISTS `saletype` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`name` varchar(50) NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 AUTO_INCREMENT=4 ;
INSERT INTO `saletype` (`id`, `name`) VALUES
(1, 'Consumer Upgrade'),
(2, 'Consumer New Connection'),
(3, 'Sim-Only Deal');
CREATE TABLE IF NOT EXISTS `tariff_point` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`tarrif_id` int(11) NOT NULL,
`affilicate_id` int(11) NOT NULL,
`point` float NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 AUTO_INCREMENT=4 ;
INSERT INTO `tariff_point` (`id`, `tarrif_id`, `affilicate_id`, `point`) VALUES
(3, 3, 1, 10);
CREATE TABLE IF NOT EXISTS `tarrif` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`network_saletype_id` int(11) NOT NULL,
`name` varchar(50) NOT NULL,
`tariff_duration` int(11) NOT NULL,
`monthly_cost` decimal(6,2) NOT NULL,
`description` varchar(150) NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 AUTO_INCREMENT=4 ;
INSERT INTO `tarrif` (`id`, `network_saletype_id`, `name`, `tariff_duration`, `monthly_cost`, `description`) VALUES
(1, 1, 'Super One', 12, '12.00', '200 Mins, 400 Texts, 500MB Internet'),
(2, 1, 'Super One', 12, '35.00', '200 Mins, 400 Texts, 500MB Internet'),
(3, 2, 'X-Deal Two', 12, '18.00', '');
結果
mysql> select * from network;
+----+----------+
| id | name |
+----+----------+
| 1 | T-Mobile |
| 2 | AT&T |
+----+----------+
mysql> select * from affiliate;
+----+--------------+
| id | name |
+----+--------------+
| 1 | Retailer One |
| 2 | Retailer Two |
+----+--------------+
mysql> select * from saletype;
+----+-------------------------+
| id | name |
+----+-------------------------+
| 1 | Consumer Upgrade |
| 2 | Consumer New Connection |
| 3 | Sim-Only Deal |
+----+-------------------------+
mysql> select * from network_saletype;
+----+------------+-------------+
| id | network_id | saletype_id |
+----+------------+-------------+
| 1 | 1 | 1 |
| 2 | 2 | 3 |
+----+------------+-------------+
mysql> select * from tarrif;
+----+---------------------+------------+-----------------+--------------+-------------------------------------+
| id | network_saletype_id | name | tariff_duration | monthly_cost | description |
+----+---------------------+------------+-----------------+--------------+-------------------------------------+
| 1 | 1 | Super One | 12 | 12.00 | 200 Mins, 400 Texts, 500MB Internet |
| 2 | 1 | Super One | 12 | 35.00 | 200 Mins, 400 Texts, 500MB Internet |
| 3 | 2 | X-Deal Two | 12 | 18.00 | |
+----+---------------------+------------+-----------------+--------------+-------------------------------------+
mysql> select * from tariff_point;
+----+-----------+---------------+-------+
| id | tarrif_id | affilicate_id | point |
+----+-----------+---------------+-------+
| 3 | 3 | 1 | 10 |
+----+-----------+---------------+-------+
mysql> select * from phone;
+----+-------------------+---------------------------------+
| id | name | description |
+----+-------------------+---------------------------------+
| 1 | Samsung Galaxy S3 | Quad-core, NFC, AMOLED |
| 2 | Apple iPhone 4S | A5 chip, 8MP camera, Siri voice |
+----+-------------------+---------------------------------+
mysql> select * from phone_points;
+----+----------+-----------+---------------+-------+
| id | phone_id | tarrif_id | affilicate_id | point |
+----+----------+-----------+---------------+-------+
| 1 | 1 | 1 | 1 | 3.3 |
| 2 | 1 | 2 | 2 | 7.3 |
+----+----------+-----------+---------------+-------+
編輯:我的問題是手機,山東肥城,網絡和saleType之間的關係,設計好不好?基本上,運營商可以選擇一個零售商,然後選擇移動網絡..然後選擇什麼類型的銷售(例如:消費者升級),然後選擇具有相關相關資費的電話。根據他們選擇的目標和/或電話 - 運營商獲得點數。
小點,'affilicate_id'和'tarrif_id'拼錯。此外,關稅和產品說明中還包含CSV字符串,如果您想設置比較功能,則可能需要將它們分解爲更多單獨的表格。 – halfer
謝謝你讓我知道這個拼寫錯誤..我知道關於tarrif的描述,謝謝。我不需要打破這些。 –
交叉發佈在DBA.se http://dba.stackexchange.com/questions/24434/mobile-phone-tariffs – Taryn