ORA-01439
column to be modified must be empty to change datatype
Cause
An ALTER TABLE MODIFY statement attempted to change the datatype of a column containing data. A column whose datatype was to be altered must contain only NULL values.
Action
To alter the datatype, first set all values in the column to NULL.
ORA-01439
column to be modified must be empty to change datatype
Cause
An ALTER TABLE MODIFY statement attempted to change the datatype of a column containing data. A column whose datatype was to be altered must contain only NULL values.
Action
To alter the datatype, first set all values in the column to NULL.
ORA-01439
column to be modified must be empty to change datatype
Cause
An ALTER TABLE MODIFY statement attempted to change the datatype of a column containing data. A column whose datatype was to be altered must contain only NULL values.
Action
To alter the datatype, first set all values in the column to NULL.
