(20002, b'DB-Lib error message 20002, severity 9:\nAdaptive Server connection failed (127.0.0.1:3306)\n')

Use python 3.7 

pymssql local connection error mysql 5.6

 

 

Solution: Reference

https://www.cnblogs.com/springbrotherhpu/p/11503139.html

https://blog.csdn.net/llx1026/article/details/79579572

 

1. https://sourceforge.net/projects/freetdswindows/  download windows of freetds

2. Extract, cmd enter F: \ FreeTDS-1.00-x86 \ freetds-1.00 \ bin

3. Try to connect error

 

 

The issue is

Adaptive Server connection failed
OS error 10060, "Unknown error"

 

4. solve

 I am silly. . .

pymssql for the SQL SERVER

The use mysql, use pymysql. . . . . Stupid

 

CONFIG = {
    "host": '127.0.0.1',
    "user": 'erio',
    "pwd": '123',
    'db': 'Library'
}


conn = pymysql.connect(CONFIG['host'], CONFIG['user'],CONFIG['pwd'])

So the connection is successful.