    for internal encoding.
  
  .. _MySQL manual: https://dev.mysql.com/doc/refman/en/charset-database.html
  .. _PostgreSQL manual: https://www.postgresql.org/docs/current/static/multibyte.html
  .. _Oracle manual: https://docs.oracle.com/database/121/NLSPG/toc.htm
  .. _section 2: https://docs.oracle.com/database/121/NLSPG/ch2charset.htm#NLSPG002
  .. _section 11: https://docs.oracle.com/database/121/NLSPG/ch11charsetmig.htm#NLSPG011
  
  All of Django's database backends automatically convert strings into
  the appropriate encoding for talking to the database. They also automatically
  convert strings retrieved from the database into strings. You don't even need
  to tell Django what encoding your database uses: that is handled transparently.
 
</s> remove   columns`_.

  .. _`identity columns`: https://docs.oracle.com/database/121/DRDAA/migr_tools_feat.htm#DRDAA109
 </s> add   columns <https://docs.oracle.com/en/database/oracle/oracle-database/18/drdaa/
  intro-to-tools-and-products-supporting-migraiton.html#GUID-14E4817B-F3BC-4D99
  -B471-A0ACDC303CC9>`__. </s> remove `Oracle <https://docs.oracle.com/database/121/SPATL/sdo_geom-sdo_mbc.htm#SPATL1554>`_
 </s> add `Oracle <https://docs.oracle.com/en/database/oracle/oracle-database/18/spatl/
SDO_GEOM-reference.html#GUID-82A61626-BB64-4793-B53D-A0DBEC91831A>`_ </s> remove .. [#fnsdorelate] *See* `SDO_RELATE documentation <https://docs.oracle.com/database/121/SPATL/sdo_relate.htm#SPATL1039>`_, from the Oracle Spatial and Graph Developer's Guide.
 </s> add .. [#fnsdorelate] *See* `SDO_RELATE documentation <https://docs.oracle.com/en/
   database/oracle/oracle-database/18/spatl/spatial-operators-reference.html#
   GUID-97C17C18-F05E-49B4-BE11-E89B972E2A02>`_, from the Oracle Spatial and
   Graph Developer's Guide. </s> remove     .. _Choosing a Time Zone File: https://docs.oracle.com/database/121/NLSPG/ch4datetime.htm#NLSPG258
 </s> add     .. _Choosing a Time Zone File: https://docs.oracle.com/en/database/oracle/
       oracle-database/18/nlspg/datetime-data-types-and-time-zone-support.html
       #GUID-805AB986-DE12-4FEA-AF56-5AABCD2132DF </s> remove `Oracle
<https://docs.oracle.com/database/121/SPATL/sdo_geom-sdo_mbr.htm#GUID-646638D0-2C5F-490A-AF63-DE9B7A4C97C1__CHDJCEIH>`__,
 </s> add `Oracle <https://docs.oracle.com/en/database/oracle/oracle-database/18/spatl/
SDO_GEOM-reference.html#GUID-646638D0-2C5F-490A-AF63-DE9B7A4C97C1__CHDJCEIH>`__,
.. _Oracle manual: https://docs.oracle.com/en/database/oracle/oracle-database/18/nlspg/index.html
.. _section 2: https://docs.oracle.com/en/database/oracle/oracle-database/18/nlspg/choosing-character-set.html
.. _section 11: https://docs.oracle.com/en/database/oracle/oracle-database/18/nlspg/character-set-migration.html
    for internal encoding.
  
  .. _MySQL manual: https://dev.mysql.com/doc/refman/en/charset-database.html
  .. _PostgreSQL manual: https://www.postgresql.org/docs/current/static/multibyte.html
.. _Oracle manual: https://docs.oracle.com/en/database/oracle/oracle-database/18/nlspg/index.html
.. _section 2: https://docs.oracle.com/en/database/oracle/oracle-database/18/nlspg/choosing-character-set.html
.. _section 11: https://docs.oracle.com/en/database/oracle/oracle-database/18/nlspg/character-set-migration.html
.. _Oracle manual: https://docs.oracle.com/en/database/oracle/oracle-database/18/nlspg/index.html
.. _section 2: https://docs.oracle.com/en/database/oracle/oracle-database/18/nlspg/choosing-character-set.html
.. _section 11: https://docs.oracle.com/en/database/oracle/oracle-database/18/nlspg/character-set-migration.html
.. _Oracle manual: https://docs.oracle.com/en/database/oracle/oracle-database/18/nlspg/index.html
.. _section 2: https://docs.oracle.com/en/database/oracle/oracle-database/18/nlspg/choosing-character-set.html
.. _section 11: https://docs.oracle.com/en/database/oracle/oracle-database/18/nlspg/character-set-migration.html
  
  All of Django's database backends automatically convert strings into
  the appropriate encoding for talking to the database. They also automatically
  convert strings retrieved from the database into strings. You don't even need
  to tell Django what encoding your database uses: that is handled transparently.
keep keep keep keep replace replace replace keep keep keep keep keep
 Updated Oracle docs links to Oracle 18c. 
docs/ref/unicode.txt