Shulou(Shulou.com)05/31 Report--

This article mainly explains "oracle modified character set method," interested friends may wish to take a look. The method introduced in this paper is simple, fast and practical. Let's let Xiaobian take you to learn "oracle method of modifying character set"!

server-side character set modification

Start the database in RESTRICTED mode to make character set changes:

SQL> conn /as sysdba

Connected.

SQL> shutdown immediate;

Database closed.

Database dismounted.

ORACLE instance shut down.

SQL> startup mount

ORACLE instance started.

Total System Global Area 236000356 bytes

Fixed Size 451684 bytes

Variable Size 201326592 bytes

Database Buffers 33554432 bytes

Redo Buffers 667648 bytes

Database mounted.

SQL> ALTER SYSTEM ENABLE RESTRICTED SESSION;

System altered

SQL> ALTER SYSTEM SET JOB_QUEUE_PROCESSES=0;

System altered.

SQL> ALTER SYSTEM SET AQ_TM_PROCESSES=0;

System altered.

SQL> alter database open;

Database altered.

SQL> ALTER DATABASE CHARACTER SET ZHS16GBK;

ALTER DATABASE CHARACTER SET ZHS16GBK

*

ERROR at line 1:

ORA-12712: new character set must be a superset of old character set

SQL> ALTER DATABASE character set INTERNAL_USE ZHS16GBK;

Finally, restart the database

At this point, I believe we have a deeper understanding of "oracle modified character set method," may wish to actually operate it! Here is the website, more related content can enter the relevant channels for inquiry, pay attention to us, continue to learn!

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