Change the Character Set & Collation of a table
To change the Character Set and Collation of a field of a table you have to use this query: if the table contains data, you have to update that data as follow:
IMPDP Errors: ORA-02374, ORA-12899
If the Character set of source and destination database are not equal, you will see below errors in the impdp log file: to solve this error, you have to restore the structure of tables first after that, you have to create a table and fill it with information about columns with have CHAR or VARCHAR […]