ORA-30675: identity column must be a numeric type - Oracle Database 12c Error Messages

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In this video we are going to see how to fix below Oracle Database 12c Error Message.

ORA-30675: identity column must be a numeric type.
Cause: An attempt was made to create or alter an identity column with a non-numeric
data type.
Action: Do not assign a non-numeric data type to an identity column.

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