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Open Source Python/Oracle Utility - cx_Oracle
cx_Oracle is a Python extension module that allows access to Oracle and 
conforms to the Python database API 2.0 specifications with a number of
additions. The method cursor.nextset() and the time data type are not
supported by Oracle and are therefore not implemented.

See for more
information on the Python database API specification. See the included
documentation for additional information.

For feedback or patches, contact Anthony Tuininga at For help or to ask questions, please use the
mailing list at

Please note that an Oracle client (or server) installation is required in order
to use cx_Oracle. If you do not require the tools that come with a full client
installation, it is recommended to install the Instant Client which is far
easier to install.

Binary Install
Place the file cx_Oracle.pyd or anywhere on your Python path.

Source Install
This module has been built with Oracle 9.2.0, 10.2.0, 11.1.0 on Linux,
Solaris and Windows. Others have reported success with other platforms
such as Mac OS X.

Use the provided to build and install the module which makes use of 
the distutils module. Note that on Windows, I have used mingw32 
( and the module will not build with MSVC without 
modification. The commands required to build and install the module are as 

    python build
    python install

See BUILD.txt for additional information.

Usage Example

import cx_Oracle

# connect via SQL*Net string or by each segment in a separate argument
#connection = cx_Oracle.connect("user/password@TNS")
connection = cx_Oracle.connect("user", "password", "TNS")

cursor = connection.cursor()
        select Col1, Col2, Col3
        from SomeTable
        where Col4 = :arg_1
          and Col5 between :arg_2 and :arg_3""",
        arg_1 = "VALUE",
        arg_2 = 5,
        arg_3 = 15)
for column_1, column_2, column_3 in cursor:
    print "Values:", column_1, column_2, column_3

For more examples, please see the test suite in the test directory and the
samples in the samples directory. You can also look at the scripts in the
cx_OracleTools ( and the modules in the
cx_PyOracleLib ( projects.

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