ORA-12716: Cannot ALTER DATABASE CHARACTER SET when CLOB data exists

ORA-12716: Cannot ALTER DATABASE CHARACTER SET when CLOB data exists
Cause: CLOB data changes representation to Unicode when converting to a multibyte character set and must be migrated
Action: Remove CLOB data as listed in the alert file. CLOB data can be migrated by methods such as import/export

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小智 2018-08-30 16:40

ORA-12716：当CLOB数据存在时，无法ALTER DATABASE CHARACTER SET,
.原因：转换为多字节字符集时，CLOB数据将表示形式更改为Unicode，必须迁移,
.操作：删除警报文件中列出的CLOB数据。CLOB数据可以通过导入/导出等方法迁移,
.

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ORA-12716: Cannot ALTER DATABASE CHARACTER SET when CLOB data exists

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