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Advanced Queuing (AQ)
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Advanced Queuing (AQ)
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*********************
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*********************
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.. note::
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**cx_Oracle has a major new release under a new name and homepage**
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`python-oracledb <https://oracle.github.io/python-oracledb/>`__.
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**New projects should install python-oracledb instead of cx_Oracle.**
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See :ref:`aqusermanual` for more information about using AQ in cx_Oracle.
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See :ref:`aqusermanual` for more information about using AQ in cx_Oracle.
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.. note::
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.. note::
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@ -4,6 +4,13 @@
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Connection Object
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Connection Object
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*****************
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*****************
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.. note::
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**cx_Oracle has a major new release under a new name and homepage**
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`python-oracledb <https://oracle.github.io/python-oracledb/>`__.
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**New projects should install python-oracledb instead of cx_Oracle.**
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.. note::
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.. note::
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Any outstanding changes will be rolled back when the connection object
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Any outstanding changes will be rolled back when the connection object
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@ -5,6 +5,13 @@ Cursor Object
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*************
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*************
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.. note::
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**cx_Oracle has a major new release under a new name and homepage**
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`python-oracledb <https://oracle.github.io/python-oracledb/>`__.
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**New projects should install python-oracledb instead of cx_Oracle.**
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.. method:: Cursor.__enter__()
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.. method:: Cursor.__enter__()
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The entry point for the cursor as a context manager. It returns itself.
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The entry point for the cursor as a context manager. It returns itself.
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Deprecations
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Deprecations
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************
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************
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.. note::
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**cx_Oracle has a major new release under a new name and homepage**
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`python-oracledb <https://oracle.github.io/python-oracledb/>`__.
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**New projects should install python-oracledb instead of cx_Oracle.**
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The following tables contains all of the deprecations in the cx_Oracle API,
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The following tables contains all of the deprecations in the cx_Oracle API,
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when they were first deprecated and a comment on what should be used instead,
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when they were first deprecated and a comment on what should be used instead,
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if applicable. The most recent deprecations are listed first.
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if applicable. The most recent deprecations are listed first.
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LOB Objects
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LOB Objects
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***********
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***********
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.. note::
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**cx_Oracle has a major new release under a new name and homepage**
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`python-oracledb <https://oracle.github.io/python-oracledb/>`__.
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**New projects should install python-oracledb instead of cx_Oracle.**
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See :ref:`lobdata` for more information about using LOBs.
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See :ref:`lobdata` for more information about using LOBs.
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.. note::
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.. note::
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Object Type Objects
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Object Type Objects
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*******************
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*******************
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.. note::
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**cx_Oracle has a major new release under a new name and homepage**
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`python-oracledb <https://oracle.github.io/python-oracledb/>`__.
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**New projects should install python-oracledb instead of cx_Oracle.**
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.. note::
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.. note::
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This object is an extension to the DB API. It is returned by the
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This object is an extension to the DB API. It is returned by the
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SessionPool Object
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SessionPool Object
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******************
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******************
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.. note::
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**cx_Oracle has a major new release under a new name and homepage**
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`python-oracledb <https://oracle.github.io/python-oracledb/>`__.
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**New projects should install python-oracledb instead of cx_Oracle.**
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.. note::
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.. note::
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This object is an extension to the DB API.
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This object is an extension to the DB API.
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SODA
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SODA
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****
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****
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.. note::
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**cx_Oracle has a major new release under a new name and homepage**
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`python-oracledb <https://oracle.github.io/python-oracledb/>`__.
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**New projects should install python-oracledb instead of cx_Oracle.**
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`Oracle Database Simple Oracle Document Access (SODA)
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`Oracle Database Simple Oracle Document Access (SODA)
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<https://docs.oracle.com/en/database/oracle/simple-oracle-document-access>`__
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<https://docs.oracle.com/en/database/oracle/simple-oracle-document-access>`__
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allows documents to be inserted, queried, and retrieved from Oracle Database
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allows documents to be inserted, queried, and retrieved from Oracle Database
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Subscription Object
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Subscription Object
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*******************
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*******************
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.. note::
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**cx_Oracle has a major new release under a new name and homepage**
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`python-oracledb <https://oracle.github.io/python-oracledb/>`__.
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**New projects should install python-oracledb instead of cx_Oracle.**
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.. note::
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.. note::
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This object is an extension the DB API.
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This object is an extension the DB API.
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Variable Objects
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Variable Objects
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****************
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****************
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.. note::
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**cx_Oracle has a major new release under a new name and homepage**
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`python-oracledb <https://oracle.github.io/python-oracledb/>`__.
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**New projects should install python-oracledb instead of cx_Oracle.**
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.. note::
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.. note::
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The DB API definition does not define this object.
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The DB API definition does not define this object.
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Welcome to cx_Oracle's documentation!
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Welcome to cx_Oracle's documentation!
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=====================================
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=====================================
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.. note::
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**cx_Oracle has a major new release under a new name and homepage**
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`python-oracledb <https://oracle.github.io/python-oracledb/>`__.
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**New projects should install python-oracledb instead of cx_Oracle.**
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**cx_Oracle** is a module that enables access to Oracle Database and conforms
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**cx_Oracle** is a module that enables access to Oracle Database and conforms
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to the Python database API specification. This module is currently tested
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to the Python database API specification. This module is currently tested
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against Oracle Client 21c, 19c, 18c, 12c, and 11.2, and Python 3.6, 3.7, 3.8,
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against Oracle Client 21c, 19c, 18c, 12c, and 11.2, and Python 3.6, 3.7, 3.8,
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@ -11,13 +18,6 @@ releases.
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(the BSD license). A detailed description of cx_Oracle changes can be found in
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(the BSD license). A detailed description of cx_Oracle changes can be found in
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the :ref:`release notes <releasenotes>`.
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the :ref:`release notes <releasenotes>`.
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.. note::
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**cx_Oracle has a major new release under a new name and homepage**
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`python-oracledb <https://oracle.github.io/python-oracledb/>`__.
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**New projects should install python-oracledb instead of cx_Oracle.**
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Contents:
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Contents:
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User Guide
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User Guide
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cx_Oracle Release Notes
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cx_Oracle Release Notes
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=======================
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=======================
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.. note::
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**cx_Oracle has a major new release under a new name and homepage**
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`python-oracledb <https://oracle.github.io/python-oracledb/>`__.
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**New projects should install python-oracledb instead of cx_Oracle.**
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For any deprecations, see :ref:`Deprecations <deprecations>`.
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For any deprecations, see :ref:`Deprecations <deprecations>`.
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Version 8.3 (November 2021)
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Version 8.3 (November 2021)
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Oracle Advanced Queuing (AQ)
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Oracle Advanced Queuing (AQ)
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****************************
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****************************
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.. note::
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**cx_Oracle has a major new release under a new name and homepage**
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`python-oracledb <https://oracle.github.io/python-oracledb/>`__.
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**New projects should install python-oracledb instead of cx_Oracle.**
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`Oracle Advanced Queuing
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`Oracle Advanced Queuing
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<https://www.oracle.com/pls/topic/lookup?ctx=dblatest&id=ADQUE>`__ is a highly
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<https://www.oracle.com/pls/topic/lookup?ctx=dblatest&id=ADQUE>`__ is a highly
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configurable and scalable messaging feature of Oracle Database. It has
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configurable and scalable messaging feature of Oracle Database. It has
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Batch Statement Execution and Bulk Loading
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Batch Statement Execution and Bulk Loading
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******************************************
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******************************************
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.. note::
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**cx_Oracle has a major new release under a new name and homepage**
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`python-oracledb <https://oracle.github.io/python-oracledb/>`__.
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**New projects should install python-oracledb instead of cx_Oracle.**
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Inserting or updating multiple rows can be performed efficiently with
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Inserting or updating multiple rows can be performed efficiently with
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:meth:`Cursor.executemany()`, making it easy to work with large data sets with
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:meth:`Cursor.executemany()`, making it easy to work with large data sets with
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cx_Oracle. This method can significantly outperform repeated calls to
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cx_Oracle. This method can significantly outperform repeated calls to
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Using Bind Variables
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Using Bind Variables
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********************
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********************
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.. note::
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**cx_Oracle has a major new release under a new name and homepage**
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`python-oracledb <https://oracle.github.io/python-oracledb/>`__.
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**New projects should install python-oracledb instead of cx_Oracle.**
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SQL and PL/SQL statements that pass data to and from Oracle Database should use
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SQL and PL/SQL statements that pass data to and from Oracle Database should use
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placeholders in SQL and PL/SQL statements that mark where data is supplied or
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placeholders in SQL and PL/SQL statements that mark where data is supplied or
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returned. These placeholders are referred to as bind variables or bind
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returned. These placeholders are referred to as bind variables or bind
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Connecting to Oracle Database
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Connecting to Oracle Database
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*****************************
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*****************************
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.. note::
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**cx_Oracle has a major new release under a new name and homepage**
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`python-oracledb <https://oracle.github.io/python-oracledb/>`__.
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**New projects should install python-oracledb instead of cx_Oracle.**
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Connections between cx_Oracle and Oracle Database are used for executing
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Connections between cx_Oracle and Oracle Database are used for executing
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:ref:`SQL <sqlexecution>`, :ref:`PL/SQL <plsqlexecution>`, and :ref:`SODA
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:ref:`SQL <sqlexecution>`, :ref:`PL/SQL <plsqlexecution>`, and :ref:`SODA
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<sodausermanual>`.
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<sodausermanual>`.
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Continuous Query Notification (CQN)
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Continuous Query Notification (CQN)
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***********************************
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***********************************
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.. note::
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**cx_Oracle has a major new release under a new name and homepage**
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|
`python-oracledb <https://oracle.github.io/python-oracledb/>`__.
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|
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**New projects should install python-oracledb instead of cx_Oracle.**
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`Continuous Query Notification (CQN)
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`Continuous Query Notification (CQN)
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<https://www.oracle.com/pls/topic/lookup?ctx=dblatest&
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<https://www.oracle.com/pls/topic/lookup?ctx=dblatest&
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id=GUID-373BAF72-3E63-42FE-8BEA-8A2AEFBF1C35>`__ allows applications to receive
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id=GUID-373BAF72-3E63-42FE-8BEA-8A2AEFBF1C35>`__ allows applications to receive
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Exception Handling
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Exception Handling
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******************
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******************
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.. note::
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|
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**cx_Oracle has a major new release under a new name and homepage**
|
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|
`python-oracledb <https://oracle.github.io/python-oracledb/>`__.
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|
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|
**New projects should install python-oracledb instead of cx_Oracle.**
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All exceptions raised by cx_Oracle are inherited from :attr:`cx_Oracle.Error`.
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All exceptions raised by cx_Oracle are inherited from :attr:`cx_Oracle.Error`.
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See :ref:`Exceptions <exceptions>` for more details on the various exceptions
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See :ref:`Exceptions <exceptions>` for more details on the various exceptions
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defined by cx_Oracle. See the exception handling section in the
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defined by cx_Oracle. See the exception handling section in the
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Character Sets and Globalization
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Character Sets and Globalization
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********************************
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********************************
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|
.. note::
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|
|
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|
**cx_Oracle has a major new release under a new name and homepage**
|
||||||
|
`python-oracledb <https://oracle.github.io/python-oracledb/>`__.
|
||||||
|
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|
**New projects should install python-oracledb instead of cx_Oracle.**
|
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Data fetched from, and sent to, Oracle Database will be mapped between the
|
Data fetched from, and sent to, Oracle Database will be mapped between the
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database character set and the "Oracle client" character set of the Oracle
|
database character set and the "Oracle client" character set of the Oracle
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Client libraries used by cx_Oracle. If data cannot be correctly mapped between
|
Client libraries used by cx_Oracle. If data cannot be correctly mapped between
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@ -4,6 +4,13 @@
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High Availability with cx_Oracle
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High Availability with cx_Oracle
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********************************
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********************************
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|
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|
.. note::
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|
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|
**cx_Oracle has a major new release under a new name and homepage**
|
||||||
|
`python-oracledb <https://oracle.github.io/python-oracledb/>`__.
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|
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|
**New projects should install python-oracledb instead of cx_Oracle.**
|
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|
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Applications can utilize many features for high availability (HA) during planned and
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Applications can utilize many features for high availability (HA) during planned and
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unplanned outages in order to:
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unplanned outages in order to:
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@ -4,6 +4,13 @@
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cx_Oracle 8 Initialization
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cx_Oracle 8 Initialization
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**************************
|
**************************
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|
.. note::
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||||||
|
|
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|
**cx_Oracle has a major new release under a new name and homepage**
|
||||||
|
`python-oracledb <https://oracle.github.io/python-oracledb/>`__.
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|
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**New projects should install python-oracledb instead of cx_Oracle.**
|
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The cx_Oracle module loads Oracle Client libraries which communicate over
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The cx_Oracle module loads Oracle Client libraries which communicate over
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Oracle Net to an existing database. The Oracle Client libraries need to be
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Oracle Net to an existing database. The Oracle Client libraries need to be
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installed separately. See :ref:`installation`. Oracle Net is not a separate
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installed separately. See :ref:`installation`. Oracle Net is not a separate
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@ -4,6 +4,13 @@
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Working with the JSON Data Type
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Working with the JSON Data Type
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*******************************
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*******************************
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|
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|
.. note::
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|
|
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|
**cx_Oracle has a major new release under a new name and homepage**
|
||||||
|
`python-oracledb <https://oracle.github.io/python-oracledb/>`__.
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|
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|
**New projects should install python-oracledb instead of cx_Oracle.**
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|
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Native support for JSON data was introduced in Oracle Database 12c. You can
|
Native support for JSON data was introduced in Oracle Database 12c. You can
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use JSON with relational database features, including transactions, indexing,
|
use JSON with relational database features, including transactions, indexing,
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declarative querying, and views. You can project JSON data relationally,
|
declarative querying, and views. You can project JSON data relationally,
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@ -4,6 +4,13 @@
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Using CLOB and BLOB Data
|
Using CLOB and BLOB Data
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************************
|
************************
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|
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|
.. note::
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||||||
|
|
||||||
|
**cx_Oracle has a major new release under a new name and homepage**
|
||||||
|
`python-oracledb <https://oracle.github.io/python-oracledb/>`__.
|
||||||
|
|
||||||
|
**New projects should install python-oracledb instead of cx_Oracle.**
|
||||||
|
|
||||||
Oracle Database uses :ref:`lobobj` to store large data such as text, images,
|
Oracle Database uses :ref:`lobobj` to store large data such as text, images,
|
||||||
videos and other multimedia formats. The maximum size of a LOB is limited to
|
videos and other multimedia formats. The maximum size of a LOB is limited to
|
||||||
the size of the tablespace storing it.
|
the size of the tablespace storing it.
|
||||||
|
|||||||
@ -4,6 +4,13 @@
|
|||||||
PL/SQL Execution
|
PL/SQL Execution
|
||||||
****************
|
****************
|
||||||
|
|
||||||
|
.. note::
|
||||||
|
|
||||||
|
**cx_Oracle has a major new release under a new name and homepage**
|
||||||
|
`python-oracledb <https://oracle.github.io/python-oracledb/>`__.
|
||||||
|
|
||||||
|
**New projects should install python-oracledb instead of cx_Oracle.**
|
||||||
|
|
||||||
PL/SQL stored procedures, functions and anonymous blocks can be called from
|
PL/SQL stored procedures, functions and anonymous blocks can be called from
|
||||||
cx_Oracle.
|
cx_Oracle.
|
||||||
|
|
||||||
|
|||||||
@ -4,6 +4,13 @@
|
|||||||
Simple Oracle Document Access (SODA)
|
Simple Oracle Document Access (SODA)
|
||||||
************************************
|
************************************
|
||||||
|
|
||||||
|
.. note::
|
||||||
|
|
||||||
|
**cx_Oracle has a major new release under a new name and homepage**
|
||||||
|
`python-oracledb <https://oracle.github.io/python-oracledb/>`__.
|
||||||
|
|
||||||
|
**New projects should install python-oracledb instead of cx_Oracle.**
|
||||||
|
|
||||||
Overview
|
Overview
|
||||||
========
|
========
|
||||||
|
|
||||||
|
|||||||
@ -4,6 +4,13 @@
|
|||||||
SQL Execution
|
SQL Execution
|
||||||
*************
|
*************
|
||||||
|
|
||||||
|
.. note::
|
||||||
|
|
||||||
|
**cx_Oracle has a major new release under a new name and homepage**
|
||||||
|
`python-oracledb <https://oracle.github.io/python-oracledb/>`__.
|
||||||
|
|
||||||
|
**New projects should install python-oracledb instead of cx_Oracle.**
|
||||||
|
|
||||||
Executing SQL statements is the primary way in which a Python application
|
Executing SQL statements is the primary way in which a Python application
|
||||||
communicates with Oracle Database. Statements are executed using the methods
|
communicates with Oracle Database. Statements are executed using the methods
|
||||||
:meth:`Cursor.execute()` or :meth:`Cursor.executemany()`. Statements include
|
:meth:`Cursor.execute()` or :meth:`Cursor.executemany()`. Statements include
|
||||||
|
|||||||
@ -4,6 +4,13 @@
|
|||||||
Starting and Stopping Oracle Database
|
Starting and Stopping Oracle Database
|
||||||
*************************************
|
*************************************
|
||||||
|
|
||||||
|
.. note::
|
||||||
|
|
||||||
|
**cx_Oracle has a major new release under a new name and homepage**
|
||||||
|
`python-oracledb <https://oracle.github.io/python-oracledb/>`__.
|
||||||
|
|
||||||
|
**New projects should install python-oracledb instead of cx_Oracle.**
|
||||||
|
|
||||||
This chapter covers how to start up and shutdown Oracle Database using
|
This chapter covers how to start up and shutdown Oracle Database using
|
||||||
cx_Oracle.
|
cx_Oracle.
|
||||||
|
|
||||||
|
|||||||
@ -4,6 +4,13 @@
|
|||||||
Tracing SQL and PL/SQL Statements
|
Tracing SQL and PL/SQL Statements
|
||||||
*********************************
|
*********************************
|
||||||
|
|
||||||
|
.. note::
|
||||||
|
|
||||||
|
**cx_Oracle has a major new release under a new name and homepage**
|
||||||
|
`python-oracledb <https://oracle.github.io/python-oracledb/>`__.
|
||||||
|
|
||||||
|
**New projects should install python-oracledb instead of cx_Oracle.**
|
||||||
|
|
||||||
Subclass Connections
|
Subclass Connections
|
||||||
====================
|
====================
|
||||||
|
|
||||||
|
|||||||
@ -4,6 +4,13 @@
|
|||||||
Tuning cx_Oracle
|
Tuning cx_Oracle
|
||||||
****************
|
****************
|
||||||
|
|
||||||
|
.. note::
|
||||||
|
|
||||||
|
**cx_Oracle has a major new release under a new name and homepage**
|
||||||
|
`python-oracledb <https://oracle.github.io/python-oracledb/>`__.
|
||||||
|
|
||||||
|
**New projects should install python-oracledb instead of cx_Oracle.**
|
||||||
|
|
||||||
Some general tuning tips are:
|
Some general tuning tips are:
|
||||||
|
|
||||||
* Tune your application architecture.
|
* Tune your application architecture.
|
||||||
|
|||||||
@ -4,6 +4,13 @@
|
|||||||
Transaction Management
|
Transaction Management
|
||||||
**********************
|
**********************
|
||||||
|
|
||||||
|
.. note::
|
||||||
|
|
||||||
|
**cx_Oracle has a major new release under a new name and homepage**
|
||||||
|
`python-oracledb <https://oracle.github.io/python-oracledb/>`__.
|
||||||
|
|
||||||
|
**New projects should install python-oracledb instead of cx_Oracle.**
|
||||||
|
|
||||||
A database transaction is a grouping of SQL statements that make a logical data
|
A database transaction is a grouping of SQL statements that make a logical data
|
||||||
change to the database.
|
change to the database.
|
||||||
|
|
||||||
|
|||||||
@ -4,6 +4,13 @@
|
|||||||
Working with XMLTYPE
|
Working with XMLTYPE
|
||||||
********************
|
********************
|
||||||
|
|
||||||
|
.. note::
|
||||||
|
|
||||||
|
**cx_Oracle has a major new release under a new name and homepage**
|
||||||
|
`python-oracledb <https://oracle.github.io/python-oracledb/>`__.
|
||||||
|
|
||||||
|
**New projects should install python-oracledb instead of cx_Oracle.**
|
||||||
|
|
||||||
Oracle XMLType columns are fetched as strings by default. This is currently
|
Oracle XMLType columns are fetched as strings by default. This is currently
|
||||||
limited to the maximum length of a ``VARCHAR2`` column. To return longer XML
|
limited to the maximum length of a ``VARCHAR2`` column. To return longer XML
|
||||||
values, they must be queried as LOB values instead.
|
values, they must be queried as LOB values instead.
|
||||||
|
|||||||
Loading…
x
Reference in New Issue
Block a user