Further encouragement to use python-oracledb.
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Anthony Tuininga
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index.html
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index.html
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<h1 class="headerTitle">Python cx_Oracle</h1>
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<nav class="headerNav" role="navigation">
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<ul>
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<li><a href="https://cx-oracle.readthedocs.io/en/latest/index.html">Documentation</a></li>
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<li><a href="https://cx-oracle.readthedocs.io/en/latest/user_guide/installation.html" >Installation</a></li>
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<li><a href="https://cx-oracle.readthedocs.io/en/latest/release_notes.html#releasenotes">Release Notes</a></li>
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<li><a href="https://github.com/oracle/python-cx_Oracle">Source code</a></li>
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<li><a href="https://github.com/oracle/python-cx_Oracle/issues">Help</a></li>
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<li><a href="https://python-oracledb.readthedocs.io/en/latest/index.html">Documentation</a></li>
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<li><a href="https://python-oracledb.readthedocs.io/en/latest/user_guide/installation.html" >Installation</a></li>
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<li><a href="https://python-oracledb.readthedocs.io/en/latest/release_notes.html#releasenotes">Release Notes</a></li>
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<li><a href="https://github.com/oracle/python-oracledb">Source code</a></li>
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<li><a href="https://github.com/oracle/python-oracledb/discussions">Help</a></li>
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</ul>
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</nav>
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</div>
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<div class="announcement">
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<p><strong>cx_Oracle has a major new release under a new name and
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homepage <a href="https://oracle.github.io/python-oracledb/"
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>python-oracledb</a>.</strong></p>
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<p><strong>cx_Oracle was obsoleted by <a
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href="https://oracle.github.io/python-oracledb/" >python-oracledb</a> in
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2022.</strong></p>
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<p><strong>python-oracledb uses the same Python DB API as cx_Oracle, and
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has many new features<strong>.</p>
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<p><strong>Follow the python-oracledb <a
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href="https://python-oracledb.readthedocs.io/en/latest/user_guide/installation.html"
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</div> <!-- announcement -->
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<div id="about">
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<h2>About cx_Oracle</h2>
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<p><strong>cx_Oracle</strong> is a Python extension module that
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enables access to Oracle Database. It conforms to the Python
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database API 2.0 <a
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href="https://peps.python.org/pep-0249/">
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specification</a> with a considerable number of additions and a
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couple of exclusions.</p>
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<p>cx_Oracle 8.3 was tested with Python versions 3.6 through 3.10.
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Older versions of cx_Oracle may be used with previous Python releases.
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You can use cx_Oracle with Oracle 11.2, 12, 18, 19 and 21 client
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libraries. Oracle's standard client-server version interoperability
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allows connection to both older and newer databases. For example Oracle
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19c client libraries can connect to Oracle Database 11.2.</p>
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</div> <!-- /about -->
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<div id="quickstart">
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<h2>Getting Started</h2>
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See <a
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href="https://cx-oracle.readthedocs.io/en/latest/user_guide/installation.html#quick-start-cx-oracle-installation"
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>Quick Start cx_Oracle Installation</a> and the <a
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href="samples/tutorial/Python-and-Oracle-Database-Scripting-for-the-Future.html">Python
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and Oracle Database Tutorial: Scripting for the Future</a>.
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</div> <!-- /quickstart -->
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<div id="installation">
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<h2>Installation</h2>
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See <a
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href="https://cx-oracle.readthedocs.io/en/latest/user_guide/installation.html"
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>cx_Oracle Installation</a> for detailed instructions.
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</div> <!-- /installation -->
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<div id="documentation">
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<h2>Documentation</h2>
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See the <a href="https://cx-oracle.readthedocs.io" >cx_Oracle
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Documentation</a> and <a
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href="https://cx-oracle.readthedocs.io/en/latest/release_notes.html#releasenotes"
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>Release Notes</a>.
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</div> <!-- /documentation -->
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<div id="example">
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<h2>Samples</h2>
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See the <a
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href="https://github.com/oracle/python-cx_Oracle/tree/main/samples"
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>/samples</a> directory. You can also look at the scripts in <a
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href="https://github.com/anthony-tuininga/cx_OracleTools">cx_OracleTools</a>
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and the modules in <a
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href="https://github.com/anthony-tuininga/cx_PyOracleLib">cx_PyOracleLib</a>.
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</div> <!-- /example -->
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<div id="help">
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<h2>Help</h2>
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<p>Issues and questions can be raised with the cx_Oracle community on
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<a href="https://github.com/oracle/python-cx_Oracle/issues"
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>GitHub</a> or on the <a
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href="https://sourceforge.net/projects/cx-oracle/lists/cx-oracle-users"
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>mailing list</a>.</p>
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</div> <!-- /help -->
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<div id="tests">
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<h2>Tests</h2>
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See the <a href="https://github.com/oracle/python-cx_Oracle/tree/main/test" >test suite</a>.
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</div> <!-- /tests -->
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<div id="contribuing">
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<h2>Contributing</h2>
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See <a href="https://github.com/oracle/python-cx_Oracle/blob/main/CONTRIBUTING.md" >CONTRIBUTING</a>.
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</div> <!-- /contributing -->
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<div id="features">
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<h2>Features</h2>
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<ul>
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<li><p>Easily installed from PyPI.</p></li>
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<li><p>Support for Python 3.6 and higher. Older versions of cx_Oracle may
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be used with previous Python releases.</p></li>
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<li><p>Support for Oracle Client 11.2, 12, 18, 19 and 21.
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Oracle's standard cross-version interoperability, allows easy upgrades
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and connectivity to different Oracle Database versions.</p></li>
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<li><p>Connect to Oracle Database 9.2, 10, 11, 12, 18, 19 or 21
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(depending on the Oracle Client version used).</p></li>
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<li><p>SQL and PL/SQL Execution. The underlying Oracle Client
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libraries have significant optimizations including compressed fetch,
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pre-fetching, client and server result set caching, and statement
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caching with auto-tuning.</p></li>
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<li><p>Full use of Oracle Network Service infrastructure, including
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encrypted network traffic and security features.</p></li>
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<li><p>Extensive Oracle data type support, including large object
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support (CLOB and BLOB).</p></li>
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<li><p>Direct binding to SQL objects. One great use case is binding
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Python objects to Oracle Spatial SDO objects.</p></li>
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<li><p>JSON datatype support.</p></li>
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<li><p>SODA (Simple Oracle Document Access).</p></li>
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<li><p>Array operations for efficient INSERT and UPDATEs.</p></li>
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<li><p>Array row counts and batch error handling for array operations.</p></li>
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<li><p>Fetching of large result sets.</p></li>
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<li><p>REF CURSOR support.</p></li>
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<li><p>Support for scrollable cursors. Go back and forth through your
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query results.</p></li>
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<li><p>Fetch PL/SQL Implicit Results. Easily return query results from
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PL/SQL.</p></li>
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<li><p>Row Prefetching. Efficient use of the network.</p></li>
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<li><p>Client Result Caching. Improve performance of frequently
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executed look-up statements.</p></li>
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<li><p>Support for Advanced Queuing. Use database notifications to
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build micro-service applications.</p></li>
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<li><p>Continuous Query Notification (CQN). Get notified when data
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changes.</p></li>
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<li><p>Support for Edition Based Redefinition. Easily switch
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applications to use updated PL/SQL logic.</p></li>
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<li><p>Support for setting application context during the creation of
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a connection, making application metadata more accessible to the
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database, including in LOGON triggers.</p></li>
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<li><p>End-to-end monitoring and tracing.</p></li>
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<li><p>Transaction Management.</p></li>
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<li><p>Session Pooling, with tagging and session state fix-up callback.</p></li>
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<li><p>Database Resident Connection Pooling (DRCP).</p></li>
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<li><p>Privileged Connections.</p></li>
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<li><p>External Authentication.</p></li>
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<li><p>Database startup and shutdown.</p></li>
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<li><p>Sharded Databases.</p></li>
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<li><p>Oracle Database High Availability Features, such as FAN
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notifications, Application Continuity, and Transaction Guard support.</p></li>
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</ul>
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<p>DB API specification exclusions: The time data type is not
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supported by Oracle and is therefore not implemented. The method
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<code>cursor.nextset()</code> is not implemented either as the DB API
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specification assumes an implementation of cursors that does not fit
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well with Oracle's implementation of cursors and implicit results. See
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the method
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<a href="https://cx-oracle.readthedocs.io/en/latest/api_manual/cursor.html#Cursor.getimplicitresults">cursor.getimplicitresults()</a>
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for more information.
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</p>
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</div> <!-- /features -->
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<div id="license">
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<h2>License</h2>
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<p>cx_Oracle is licensed under a BSD license which you can find <a
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href="https://github.com/oracle/python-cx_Oracle/blob/main/LICENSE.txt"
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>here</a>. The cx_Oracle project is open source and maintained by Oracle Corp.</p>
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</div> <!-- /license -->
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</div>
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</main>
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</body>
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