import pymssql
connect = pymssql.connect('DESKTOP-SI8EP4A', 'sa', 'sa123', 'Demo') #建立连接
cursor = connect.cursor() #创建一个游标对象,python里的sql语句都要通过cursor来执行
# sql = "insert into Pruduct (Pname, Pnum)values('Python测试', '123')"
# cursor.execute(sql) #执行sql语句
# connect.commit() #提交
# cursor.close()
# connect.close()
sql1 = "insert into Pruduct (Pname, Pnum)values('Python测试', '123')"
sql2="select Pid,CONVERT(nvarchar(100),Pname),Pnum from Pruduct"
sql3="update Pruduct set Pnum=456 where Pid=176"
sql4="delete Pruduct where Pid=176"
cursor.execute(sql2)
# connect.commit() #如果是查询数据库不需要commit
list=cursor.fetchall()
cursor.close()
connect.close()
for r in list:
print(r)
print ("成功")
print(list)