RE: Conversion of Character Set from US7ASCII to UTF8 in RAC 10gR2
- From: "Polarski, Bernard" <Bernard.Polarski@xxxxxxxxxxxxxx>
- To: <VIVEK_SHARMA@xxxxxxxxxxx>,<oracle-l@xxxxxxxxxxxxx>
- Date: Tue, 19 Dec 2006 16:20:19 +0100
Here are some notes :
Note 260192.1 Changing WE8ISO8859P1/WE8ISO8859P15 or WE8MSWIN1252 to
UTF8 with ALTER DATABASE CHARACTER SET
Note 119119.1 UTF8 Database Character Set Implications
Note 123670.1 Use Scanner Utility before Altering the Database Character
Set
Note 225912.1 Changing the Database Character Set - a short Overview
Bernard Polarski
_____
From: VIVEK_SHARMA [mailto:VIVEK_SHARMA@xxxxxxxxxxx]
Sent: dinsdag 19 december 2006 16:03
To: oracle-l@xxxxxxxxxxxxx
Subject: Conversion of Character Set from US7ASCII to UTF8 in RAC 10gR2
Folks
Need to Convert the Character Set of an Oracle10gR2 with RAC TEST
Database from the Default "US7ASCII" to UTF8
Is the following Procedure to be followed?
1) Shutdown the 2nd instance
2) Export ALL the Tables (including SYS, SYSTEM Schema) having CLOB
Datatype field
select distinct ('TABLE '||A.OWNER|| '.'||A.TABLE_NAME) from
dba_tab_columns A, dba_tables B where A.table_name = B.table_name and
DATA_TYPE= 'CLOB'
3) SQL> ALTER DATABASE CHARACTER SET AL32UTF8;
4) Import back ALL the Tables exported in Step 1
5) Export related Environment Variables:-
NLS_LANG=.AL32UTF8; export NLS_LANG
LANG=en_US.UTF-8; export LANG
LC_ALL=en_US.UTF-8; export LC_ALL
Thanks indeed
Vivek
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