我正在为一个类项目工作,我在其中使用Python在我的2016 SQL Server中创建数据库和表。我已经安装了pyodbc,并且能够在Python和SQL Server之间建立连接。但是,当我运行代码时,我可以创建“ mydatabase”数据库...但是我要创建的后续表将进入“ Master”数据库中的“ Tables”文件夹。
我已经尝试过在同一Python文件中创建数据库和表,以及仅添加表。结果始终是相同的-它转到Master数据库,而不是“ mydatabase”数据库。我已经完成了很多Google搜寻工作,似乎我已正确编写了代码;因此,我不确定现在要看什么。
这里是一键创建数据库和表的代码...
import pyodbc
mydb = pyodbc.connect('Driver={SQL Server};'
'Server=DESKTOP-5I015MM\SQLEXPRESS;'
'Trusted_Connection=yes;')
mydb.autocommit = True
mycursor = mydb.cursor()
mycursor.execute("CREATE DATABASE mydatabase")
Q1 = "CREATE TABLE Contact(id INT IDENTITY(1,1) PRIMARY KEY, \
username varchar(255) NOT NULL, password varchar(255) NOT NULL, \
firstName varchar(255) NOT NULL, middleName varchar(255) NOT NULL, \
lastName varchar(255) NOT NULL, address varchar(255) NOT NULL, \
officePhone varchar(15) NOT NULL, cellPhone varchar(15) NOT NULL, \
email varchar(255) NOT NULL)"
mycursor.execute(Q1)
Q2 = "CREATE TABLE Manufacturer(name varchar(255) PRIMARY KEY, \
registeredCountry varchar(255) NOT NULL, \
contactPerson INT NOT NULL, \
FOREIGN KEY(contactPerson) REFERENCES Contact(id))"
mycursor.execute(Q2)
Q3 = "CREATE TABLE TestLab(name varchar(255) PRIMARY KEY, \
address varchar(255) NOT NULL, \
contactPerson INT NOT NULL, \
FOREIGN KEY(contactPerson) REFERENCES Contact(id))"
mycursor.execute(Q3)
Q4 = "CREATE TABLE Product(modelNumber varchar(255) PRIMARY KEY, \
manufacturer varchar(255) NOT NULL, \
maufacturingDate date NOT NULL, \
prodLength decimal(5,2) NOT NULL, \
prodWidth decimal(5,2) NOT NULL, \
cellTechnology varchar(255) NOT NULL, \
cableType varchar(255) NOT NULL, \
maximumSystemVoltage varchar(255) NOT NULL, \
ratedVoc decimal(3,1) NOT NULL, \
ratedIsc decimal(3,2) NOT NULL, \
ratedVmp decimal(3,1) NOT NULL, \
ratedImp decimal(3,2) NOT NULL, \
ratedPmp decimal(4,1) NOT NULL, \
ratedFf decimal(3,1) NOT NULL, \
FOREIGN KEY(manufacturer) REFERENCES Manufacturer(name))"
mycursor.execute(Q4)
Q5 = "CREATE TABLE TestResults(dataSource varchar(255) NOT NULL, \
modelNumber varchar(255) NOT NULL, \
reportingCondition varchar(255) NOT NULL, \
testSequence varchar(255) NOT NULL, \
testDate date NOT NULL, \
isc decimal(3,2) NOT NULL, \
voc decimal(3,1) NOT NULL, \
imp decimal(3,2) NOT NULL, \
vmp decimal(3,1) NOT NULL, \
pmp decimal(4,1) NOT NULL, \
ff decimal(3,1) NOT NULL, \
noct decimal(3,1) NOT NULL, \
PRIMARY KEY(dataSource, modelNumber), \
FOREIGN KEY(dataSource) REFERENCES TestLab(name), \
FOREIGN KEY(modelNumber) REFERENCES Product(modelNumber))"
mycursor.execute(Q5)
这是用于在'mydatabase'数据库中创建表的代码,如果该数据库已经存在于SQL中...
import pyodbc
mydb = pyodbc.connect('Driver={SQL Server};'
'Server=DESKTOP-5I015MM\SQLEXPRESS;'
'Database=mydatabase;'
'Trusted_Connection=yes;')
mydb.autocommit = True
mycursor = mydb.cursor()
Q1 = "CREATE TABLE Contact(id INT IDENTITY(1,1) PRIMARY KEY, \
username varchar(255) NOT NULL, password varchar(255) NOT NULL, \
firstName varchar(255) NOT NULL, middleName varchar(255) NOT NULL, \
lastName varchar(255) NOT NULL, address varchar(255) NOT NULL, \
officePhone varchar(15) NOT NULL, cellPhone varchar(15) NOT NULL, \
email varchar(255) NOT NULL)"
mycursor.execute(Q1)
Q2 = "CREATE TABLE Manufacturer(name varchar(255) PRIMARY KEY, \
registeredCountry varchar(255) NOT NULL, \
contactPerson INT NOT NULL, \
FOREIGN KEY(contactPerson) REFERENCES Contact(id))"
mycursor.execute(Q2)
Q3 = "CREATE TABLE TestLab(name varchar(255) PRIMARY KEY, \
address varchar(255) NOT NULL, \
contactPerson INT NOT NULL, \
FOREIGN KEY(contactPerson) REFERENCES Contact(id))"
mycursor.execute(Q3)
Q4 = "CREATE TABLE Product(modelNumber varchar(255) PRIMARY KEY, \
manufacturer varchar(255) NOT NULL, \
maufacturingDate date NOT NULL, \
prodLength decimal(5,2) NOT NULL, \
prodWidth decimal(5,2) NOT NULL, \
cellTechnology varchar(255) NOT NULL, \
cableType varchar(255) NOT NULL, \
maximumSystemVoltage varchar(255) NOT NULL, \
ratedVoc decimal(3,1) NOT NULL, \
ratedIsc decimal(3,2) NOT NULL, \
ratedVmp decimal(3,1) NOT NULL, \
ratedImp decimal(3,2) NOT NULL, \
ratedPmp decimal(4,1) NOT NULL, \
ratedFf decimal(3,1) NOT NULL, \
FOREIGN KEY(manufacturer) REFERENCES Manufacturer(name))"
mycursor.execute(Q4)
Q5 = "CREATE TABLE TestResults(dataSource varchar(255) NOT NULL, \
modelNumber varchar(255) NOT NULL, \
reportingCondition varchar(255) NOT NULL, \
testSequence varchar(255) NOT NULL, \
testDate date NOT NULL, \
isc decimal(3,2) NOT NULL, \
voc decimal(3,1) NOT NULL, \
imp decimal(3,2) NOT NULL, \
vmp decimal(3,1) NOT NULL, \
pmp decimal(4,1) NOT NULL, \
ff decimal(3,1) NOT NULL, \
noct decimal(3,1) NOT NULL, \
PRIMARY KEY(dataSource, modelNumber), \
FOREIGN KEY(dataSource) REFERENCES TestLab(name), \
FOREIGN KEY(modelNumber) REFERENCES Product(modelNumber))"
mycursor.execute(Q5)
行后Mycursor.execute("CREATE DATABASE mydatabase")
加 mycursor.execute("USE mydatabase")