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Problems connecting to AL32UTF8 databases from older versions (8i and lower) (Doc ID 237593.1)

Last updated on FEBRUARY 02, 2022

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 8.0.3 to 8.1.7]
Oracle Database - Standard Edition - Version to [Release 8.0.3 to 8.1.7]
Information in this document applies to any platform.


Document problems seen when Oracle 8i (or lower) RDBMS and client releases connect to an 9i (or up) AL32UTF8 system or when connecting using database links from an 9i (or up) AL32UTF8 database to an 8i (or lower) database.


Oracle RDBMS and client releases before 9i interfacing with an AL32UTF8 database.


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In this Document
 A) The problem
 B) How to know if I'm using AL32UTF8?
 C) Bugs and patches for 817 and lower when connecting to a AL32UTF8 database (9i and up) :
 D) Can I make sure no 8i (or lower) client can connect to my AL32UTF8 db?
 E) Changing an existing 9i/10g or 11g AL32UTF8 database to UTF8.

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