Connect SQL Server to Python 3 with pyodbc

Question

import pyodbc

cnxn = pyodbc.connect('DRIVER={SQL Server Native Client 11.0};SERVER=LENOVO-PCN;DATABASE=testing;')

cursor = cnxn.cursor()

cursor.execute("select Sales from Store_Inf")
row = cursor.fetchone() 
if row: 
    print (row)

I try using python 3 with module pyodbc to connect SQL Server Express. My codes gave a error:

('08001', '[08001] [Microsoft][SQL Server Native Client 11.0]Named Pipes Provider: Could not open a connection to SQL Server [2]. (2) (SQLDriverConnect)')

Any idea for this?

Answer 1

Here is an example that worked for me using Trusted_Connection=yes

import pyodbc

conn_str = pyodbc.connect(
    Trusted_Connection='Yes',
    Driver='{ODBC Driver 11 for SQL Server}',
    Server='SERVER_NAME,PORT_NUMBER',
    Database='DATABASE_NAME'
)

connection = pyodbc.connect(conn_str)

Please note that port number is comma separated!