水电缴费管理系统数据表设计
SQL建表脚本：
1 --建表 2 --管理人员表 admin 3 create table admin( 4 admin_id varchar2(3) not null, 5 admin_loginname varchar2(8) not null, 6 admin_password varchar2(6) not null, 7 admin_username varchar2(4) not null, 8 constraint pk_admin primary key(admin_id) 9 ); 10 comment on column admin.admin_id is '管理员编号'; 11 comment on column admin.admin_loginname is '管理员登录用户名'; 12 comment on column admin.admin_password is '管理员登录密码'; 13 comment on column admin.admin_username is '管理员姓名'; 14 --用户基本信息表 user 15 create table users( 16 user_id varchar2(10) not null, 17 user_loginname varchar2(8) not null, 18 user_password varchar2(6) not null, 19 user_username varchar2(4) not null, 20 user_address varchar2(20) not null, 21 user_phone number(11) not null, 22 constraint pk_users primary key(user_id) 23 ); 24 comment on column users.user_id is '用户编号'; 25 comment on column users.user_loginname is '用户登录名'; 26 comment on column users.user_password is '用户登录密码'; 27 comment on column users.user_username is '用户姓名'; 28 comment on column users.user_address is '用户地址'; 29 comment on column users.user_phone is '用户电话'; 30 --水表 water 31 create table water( 32 water_id varchar2(10) not null, 33 userid varchar2(10) not null, 34 water_count number(3,2) not null, 35 water_time date not null, 36 water_status number(1) not null, 37 water_priceid varchar2(10) not null, 38 water_beforecount number(3,2) not null, 39 constraint pk_water primary key(water_id) 40 ); 41 comment on column water.water_id is '水表编号'; 42 comment on column water.userid is '用户编号'; 43 comment on column water.water_count is '水表跑数'; 44 comment on column water.water_time is '水表时间'; 45 comment on column water.water_status is '水费缴费状态'; 46 comment on column water.water_priceid is '水费价格编号'; 47 comment on column water.water_beforecount is '上月水表跑数'; 48 --水表 power 49 create table power( 50 power_id varchar2(10) not null, 51 userid varchar2(10) not null, 52 power_count number(3,2) not null, 53 power_time date not null, 54 power_status number(1) not null, 55 power_priceid varchar2(10) not null, 56 power_beforecount number(3,2) not null, 57 constraint pk_power primary key(power_id) 58 ); 59 comment on column power.power_id is '电表编号'; 60 comment on column water.userid is '用户编号'; 61 comment on column power.power_count is '电表跑数'; 62 comment on column power.power_time is '电表时间'; 63 comment on column power.power_status is '电费缴费状态'; 64 comment on column power.power_priceid is '电费价格编号'; 65 comment on column power.power_beforecount is '上月电表跑数'; 66 --价格表 money 67 create table price( 68 price_id varchar2(10) not null, 69 price_time date not null, 70 isactive number(1) not null, 71 waterprice number(2,2) not null, 72 powerprice number(2,2) not null, 73 constraint pk_price primary key(price_id) 74 ); 75 comment on column price.price_id is '价格编号'; 76 comment on column price.price_time is '价格日期'; 77 comment on column price.isactive is '价格状态'; 78 comment on column price.waterprice is '水费价格'; 79 comment on column price.powerprice is '电费价格';
管理员表：
用户表：
水费表：
电费表：
价格表：
