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I am trying to connect to Oracle db using pyodbc, getting errors. The examples include ms sql server driver:

in my /etc/unixODBC/odbc.ini, I have this entry:

[test_con]
Driver=Oracle
Description=data repository db
Trace=Yes
ServerName=//db1.example.com:1521/db2_svc1


import pyodbc
cnxn=pyodbc.connect('DSN=test_con, UID=user_id, PWD=passwd123')

I get this error:

pyodbc.Error: ('IM012', '[IM012] [unixODBC][Driver Manager]DRIVER keyword syntax error (0) (SQLDriverConnect)')

Try something like:

import pyodbc
connectString = 'Driver={Microdsoft ODBC for Oracle};Server=<host>:<port>/<db>.<host>;uid= <username>;pwd=<password>'
cnxn = pyodbc.connect(connectString)

Read some docs ;) https://sites.google.com/site/bcgeopython/examples/getting-the-pyodbc-module

how do you connect to oracle using pyodbc, I'm only the 3 billion-th blogger to write about this but for some reason, even with the interwebs saturated with python-Oracle connection� Python module pyodbc and Oracle. Python is a popular general purpose scipting language that is also becoming popular among web developers. If you want to use an Oracle database as a data storage for your Pyhon app, this tutorial teaches how to connect Python to an Oracle database using ODBC driver, code samples included.

pyodbc maintainer did an excellent job at documenting how to install Oracle ODBC driver and then how to connect to the database. It worked for me: https://github.com/mkleehammer/pyodbc/wiki/Connecting-to-Oracle-from-RHEL-or-Centos

Connect python to oracle db with pyodbc – Aaron Mamula – novice , Accessing MS SQL Server, Oracle, Salesforce.com, MongoDB, DB2, Sybase ASE , InterBase, MS Access, Derby from Python with pyodbc. If you want to learn more about the different types of connections between Python and other database applications, you may check the following tutorials: Connect Python to an Oracle Database using cx_Oracle; Connect Python to MS Access Database using pyodbc; Connect Python to MySQL using MySQLdb; For further information about the pyodbc package

The code below is for mssql on Mac OS and it assumes that you installed unixODBC using:

$ brew install freetds --with-unixodbc

and that you have edited the two odbc config files:

  1. /usr/local/Cellar/unixodbc/2.3.2_1/etc/odbcinst.ini

    [FreeTDS]

    Description=FreeTDS Driver for Linux & MSSQL on MacOS

    Driver=/usr/local/Cellar/freetds/0.95.80/lib/libtdsodbc.0.so

    Setup=/usr/local/Cellar/freetds/0.95.80/lib/libtdsodbc.0.so

    FileUsage=1

  2. Edit ~/Library/ODBC/odbc.ini

    [sql_server]

    Driver=FreeTDS

    Server=put_ip_here

    Port=1433

== Code:

import pyodbc

connection_string = "Driver={{FreeTDS}};Server={};"\
"Database={};UID={};PWD={};"\
.format(db_host, db_name, db_user, db_password)

with pyodbc.connect(connection_string) as db:
    cursor = db.cursor()

    cursor.execute("SELECT count(*) FROM aTable")
    ...

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Connecting to Oracle with Python using pyodbc : learnpython, The example below demonstrates how you might connect to an oracle database: import pyodbc. dbInst = 'oracle1_Production1' # name of the oracle instance. ORACLE-PYTHON is an Oracle® ODBC driver data source that we used with pyodbc to connect Python to an Oracle® database. Using pyodbc with a UCS4 Python Build. Python can be built as either UCS2 or UCS4, which defines Python’s internal storage format for Unicode strings. pyodbc does not do any conversion between Unicode encoding schemes.

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Comments
  • if you fixed this issue, can you please help to fix mine?
  • This worked for me github.com/mkleehammer/pyodbc/wiki/…
  • @ValeiryG, I looked at that link, it is SQL Driver, I am on a linux server. I tried it anyway: pyodbc.Error: ('IM002', '[IM002] [unixODBC][Driver Manager]Data source name not found, and no default driver specified (0) (SQLDriverConnect)')
  • MSSQL example doesn't address oracle connection question
  • The question is for Oracle while FreeTDS driver is for MsSQL Server