Cannot ALTER DATABASE NATIONAL CHARACTER SET when NCLOB data exists
ORA-12716 – Oracle Error Code
Cannot ALTER DATABASE CHARACTER SET when CLOB data exists
ORA-12715 – Oracle Error Code
Invalid character set specified
ORA-12714 – Oracle Error Code
Invalid national character set specified
ORA-12713 – Oracle Error Code
Character data loss in NCHAR/CHAR conversion
ORA-12712 – Oracle Error Code
New character set must be a superset of old character set
ORA-12711 – Oracle Error Code
This CREATE CONTROLFILE character set is not allowed
ORA-12710 – Oracle Error Code
CREATE CONTROLFILE character set is not known
ORA-12709 – Oracle Error Code
Error while loading create database character set
ORA-12708 – Oracle Error Code
Error while loading create database NLS parameter string
