最近疫情防控局势较为严峻，正好这学期学习了sqlserver的相关知识，利用课余时间设计了一个

可以实现疫情风险地区查询的数据库·，限于自身水平和时间有限难免有所疏漏，还请读者海涵与斧正。

一.数据库的建立

CREATE DATABASE Epidemic_query

ON PRIMARY

(NAME=Epidemic_query_data,FILENAME='c:\sql_data\Epidemic_query_data.mdf',

SIZE=5MB,FILEGROWTH=2MB),

(NAME=Epidemic_query_data1,FILENAME='c:\sql_data\Epidemic_query_data1.mdf',

SIZE=2MB,FILEGROWTH=1MB)

LOG ON

(NAME=Epidemic_query_log,FILENAME='c:\sql_data\Epidemic_query_log.ldf',

SIZE=1MB,FILEGROWTH=10%),

(NAME=Epidemic_query_log1,FILENAME='c:\sql_data\Epidemic_query_log1.mdf',

SIZE=2MB,FILEGROWTH=1MB)

实现如下

二.数据表的建立

1.人员信息表

USE Epidemic_query

CREATE TABLE peo_info(

pid char(25),

pname char(10),

phonenumber char(20)PRIMARY KEY,

)USE Epidemic_query

GO

EXEC sp_help 'peo_info'

GO

实现如下

2.地区信息表

USE Epidemic_query

CREATE TABLE district_info(

did char(10)PRIMARY KEY,

dname char(20)

)

USE Epidemic_query

GO

EXEC sp_help 'district_info'

GO

实现如下·

3.基站信息表

USE Epidemic_query

CREATE TABLE BS_info(

phonenumber char(20) ,

bsid char(20)PRIMARY KEY,

bsname char(20)

)

USE Epidemic_query

GO

EXEC sp_help 'BS_info'

GO

实现如下

4.联接信息表

USE Epidemic_query

CREATE TABLE link_info(

phonenumber char(20),

bsid char(20)

)

USE Epidemic_query

GO

EXEC sp_help 'link_info'

GO

实现如下

5.区域风险等级信息表

USE Epidemic_query

CREATE TABLE district_risk(

did char(10),

FOREIGN KEY(did)REFERENCES district_info(did),

discription char (255)

)

USE Epidemic_query

GO

EXEC sp_help 'district_risk'

GO

实现如下

6.从属关系信息表

USE Epidemic_query

CREATE TABLE belonging_info(

bsid char(20),

did char(10),

)

USE Epidemic_query

GO

EXEC sp_help 'belonging_info'

GO

实现如下·

三.插入数据

INSERT INTO peo_info(pid,pname,phonenumber)

VALUES('320102200001011234','甲','13000000000')

INSERT INTO peo_info(pid,pname,phonenumber)

VALUES('320102200001011235','乙','13100000000')

INSERT INTO peo_info(pid,pname,phonenumber)

VALUES('320102200001011236','丙','13200000000')

INSERT INTO peo_info(pid,pname,phonenumber)

VALUES('320102200001011237','丁','13300000000')

INSERT INTO peo_info(pid,pname,phonenumber)

VALUES('320102200001011238','戊','13400000000')

INSERT INTO peo_info(pid,pname,phonenumber)

VALUES('320102200001011239','己','13500000000')

INSERT INTO peo_info(pid,pname,phonenumber)

VALUES('320102200001011230','庚','13600000000')

INSERT INTO peo_info(pid,pname,phonenumber)

VALUES('320102200001011231','辛','13700000000')

GO

SELECT *FROM peo_info

GO

INSERT INTO district_info(did,dname)

VALUES('0470','neimenggu')

INSERT INTO district_info(did,dname)

VALUES('0450','heilongjiang')

INSERT INTO district_info(did,dname)

VALUES('0570','zhejiang')

INSERT INTO district_info(did,dname)

VALUES('021','shanghai')

GO

SELECT *FROM district_info

GO

INSERT INTO BS_info(bsid,bsname)

VALUES('cn0001','cnnorthbs')

INSERT INTO BS_info(bsid,bsname)

VALUES('cn0002','cnsouthbs')

INSERT INTO BS_info(bsid,bsname)

VALUES('cn0003','cnwestbs')

INSERT INTO BS_info(bsid,bsname)

VALUES('cn0004','cneastbs')

INSERT INTO BS_info(bsid,bsname)

VALUES('cn0005','cnmiddlebs')

GO

SELECT *FROM BS_info

GO

INSERT INTO link_info(phonenumber,bsid)

VALUES('13000000000','cn0001')

INSERT INTO link_info(phonenumber,bsid)

VALUES('13100000000','cn0001')

INSERT INTO link_info(phonenumber,bsid)

VALUES('13200000000','cn0002')

INSERT INTO link_info(phonenumber,bsid)

VALUES('13300000000','cn0002')

INSERT INTO link_info(phonenumber,bsid)

VALUES('13400000000','cn0002')

INSERT INTO link_info(phonenumber,bsid)

VALUES('13500000000','cn0003')

INSERT INTO link_info(phonenumber,bsid)

VALUES('13600000000','cn0004')

INSERT INTO link_info(phonenumber,bsid)

VALUES('13700000000','cn0005')

GO

SELECT *FROM link_info

GO

INSERT INTO belonging_info(did,bsid)

VALUES('0470','cn0001')

INSERT INTO belonging_info(did,bsid)

VALUES('0450','cn0001')

INSERT INTO belonging_info(did,bsid)

VALUES('0570','cn0002')

INSERT INTO belonging_info(did,bsid)

VALUES('0210','cn0002')

GO

SELECT *FROM belonging_info

GO

INSERT INTO district_risk(did,discription)

VALUES('0470','34例，均在呼伦贝尔市')

INSERT INTO district_risk(did,discription)

VALUES('0450','1例，在哈尔滨市')

INSERT INTO district_risk(did,discription)

VALUES('0570','8例，其中宁波市例，杭州市例，绍兴市例')

INSERT INTO district_risk(did,discription)

VALUES('021','1例，在浦东新区')

GO

SELECT *FROM district_risk

GO

四.建立索引

USE Epidemic_query

GO

CREATE INDEX IX_pid ON peo_info(pid)

GO

实现如下·

五.创建视图

USE Epidemic_query

GO

CREATE VIEW Epidemic_query_view

AS

SELECT p.pid,p.pname,d.dname,d.did,r.discription

FROM peo_info p JOIN bs_info bs ON p.phonenumber=bs.phonenumber

JOIN belonging_info b ON bs.temporarycode=b.temporarycode

JOIN district_info d ON b.did=d.did

JOIN district_risk r ON d.did=r.did

GO

查看视图可得人员所处地区风险等级

SELECT* FROM Epidemic_query_view

全代码如下：

CREATE DATABASE Epidemic_query

ON PRIMARY

(NAME=Epidemic_query_data,FILENAME='c:\sql_data\Epidemic_query_data.mdf',

SIZE=5MB,FILEGROWTH=2MB),

(NAME=Epidemic_query_data1,FILENAME='c:\sql_data\Epidemic_query_data1.mdf',

SIZE=2MB,FILEGROWTH=1MB)

LOG ON

(NAME=Epidemic_query_log,FILENAME='c:\sql_data\Epidemic_query_log.ldf',

SIZE=1MB,FILEGROWTH=10%),

(NAME=Epidemic_query_log1,FILENAME='c:\sql_data\Epidemic_query_log1.mdf',

SIZE=2MB,FILEGROWTH=1MB)

USE Epidemic_query

CREATE TABLE peo_info(

pid char(25),

pname char(10),

phonenumber char(20)PRIMARY KEY,

)USE Epidemic_query

GO

EXEC sp_help 'peo_info'

GO

USE Epidemic_query

CREATE TABLE district_info(

did char(10)PRIMARY KEY,

dname char(20)

)

USE Epidemic_query

GO

EXEC sp_help 'district_info'

GO

USE Epidemic_query

CREATE TABLE BS_info(

phonenumber char(20) ,

bsid char(20),

bsname char(20),

temporarycode char(20)PRIMARY KEY

)

USE Epidemic_query

GO

EXEC sp_help 'BS_info'

GO

USE Epidemic_query

CREATE TABLE district_risk(

did char(10),

FOREIGN KEY(did)REFERENCES district_info(did),

discription char (255)

)

USE Epidemic_query

GO

EXEC sp_help 'district_risk'

GO

USE Epidemic_query

CREATE TABLE belonging_info(

bsid char(20),

did char(10),

temporarycode char(20)

)

USE Epidemic_query

GO

EXEC sp_help 'belonging_info'

GO

INSERT INTO peo_info(pid,pname,phonenumber)

VALUES('320102200001011234','甲','13000000000')

INSERT INTO peo_info(pid,pname,phonenumber)

VALUES('320102200001011235','乙','13100000000')

INSERT INTO peo_info(pid,pname,phonenumber)

VALUES('320102200001011236','丙','13200000000')

INSERT INTO peo_info(pid,pname,phonenumber)

VALUES('320102200001011237','丁','13300000000')

INSERT INTO peo_info(pid,pname,phonenumber)

VALUES('320102200001011238','戊','13400000000')

INSERT INTO peo_info(pid,pname,phonenumber)

VALUES('320102200001011239','己','13500000000')

INSERT INTO peo_info(pid,pname,phonenumber)

VALUES('320102200001011230','庚','13600000000')

INSERT INTO peo_info(pid,pname,phonenumber)

VALUES('320102200001011231','辛','13700000000')

GO

SELECT *FROM peo_info

GO

INSERT INTO district_info(did,dname)

VALUES('0470','neimenggu')

INSERT INTO district_info(did,dname)

VALUES('0450','heilongjiang')

INSERT INTO district_info(did,dname)

VALUES('0570','zhejiang')

INSERT INTO district_info(did,dname)

VALUES('021','shanghai')

INSERT INTO district_info(did,dname)

VALUES('028','chengdu')

INSERT INTO district_info(did,dname)

VALUES('023','chongqing')

INSERT INTO district_info(did,dname)

VALUES('0898','hainan')

GO

SELECT *FROM district_info

GO

INSERT INTO BS_info(bsid,bsname,phonenumber,temporarycode)

VALUES('cn0001','cnnorthbs','13000000000','QWAS0001')

INSERT INTO BS_info(bsid,bsname,phonenumber,temporarycode)

VALUES('cn0001','cnsouthbs','13100000000','QWAS0002')

INSERT INTO BS_info(bsid,bsname,phonenumber,temporarycode)

VALUES('cn0002','cnwestbs','13200000000','QWAS0003')

INSERT INTO BS_info(bsid,bsname,phonenumber,temporarycode)

VALUES('cn0002','cneastbs','13300000000','QWAS0004')

INSERT INTO BS_info(bsid,bsname,phonenumber,temporarycode)

VALUES('cn0002','cneastbs','13400000000','QWAS0005')

INSERT INTO BS_info(bsid,bsname,phonenumber,temporarycode)

VALUES('cn0003','cneastbs','13500000000','QWAS0006')

INSERT INTO BS_info(bsid,bsname,phonenumber,temporarycode)

VALUES('cn0004','cneastbs','13600000000','QWAS0007')

INSERT INTO BS_info(bsid,bsname,phonenumber,temporarycode)

VALUES('cn0005','cneastbs','13700000000','QWAS0008')

GO

SELECT *FROM BS_info

GO

INSERT INTO belonging_info(did,bsid,temporarycode)

VALUES('0470','cn0001','QWAS0001')

INSERT INTO belonging_info(did,bsid,temporarycode)

VALUES('0450','cn0001','QWAS0002')

INSERT INTO belonging_info(did,bsid,temporarycode)

VALUES('0570','cn0002','QWAS0003')

INSERT INTO belonging_info(did,bsid,temporarycode)

VALUES('0210','cn0002','QWAS0004')

INSERT INTO belonging_info(did,bsid,temporarycode)

VALUES('0570','cn0001','QWAS0005')

INSERT INTO belonging_info(did,bsid,temporarycode)

VALUES('028','cn0001','QWAS0006')

INSERT INTO belonging_info(did,bsid,temporarycode)

VALUES('023','cn0002','QWAS0007')

INSERT INTO belonging_info(did,bsid,temporarycode)

VALUES('0898','cn0002','QWAS0008')

GO

SELECT *FROM belonging_info

GO

INSERT INTO district_risk(did,discription)

VALUES('0470','34例，均在呼伦贝尔市')

INSERT INTO district_risk(did,discription)

VALUES('0450','1例，在哈尔滨市')

INSERT INTO district_risk(did,discription)

VALUES('0570','8例，其中宁波市例，杭州市例，绍兴市例')

INSERT INTO district_risk(did,discription)

VALUES('021','1例，在浦东新区')

INSERT INTO district_risk(did,discription)

VALUES('028','暂无,防疫不能放松')

INSERT INTO district_risk(did,discription)

VALUES('023','暂无,防疫不能放松')

INSERT INTO district_risk(did,discription)

VALUES('0898','暂无,防疫不能放松')

GO

SELECT *FROM district_risk

GO

USE Epidemic_query

GO

CREATE INDEX IX_pid ON peo_info(pid)

GO

USE Epidemic_query

GO

CREATE VIEW Epidemic_query_view

AS

SELECT p.pid,p.pname,d.dname,d.did,r.discription

FROM peo_info p JOIN bs_info bs ON p.phonenumber=bs.phonenumber

JOIN belonging_info b ON bs.temporarycode=b.temporarycode

JOIN district_info d ON b.did=d.did

JOIN district_risk r ON d.did=r.did

GO

SELECT* FROM Epidemic_query_view

*特别鸣谢

1.高中同学提供建库灵感与宝贵建议

2.人民网提供2021年12月9号本土病例数据

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