ORA-44742: Cannot add columns to or drop columns from a table that is shared ...

曾春华

ORA-44742: Cannot add columns to or dropcolumns from a table that is shared by

other group(s).

Cause: An attempt was made to addcolumns to or drop columns from a table

shared by other group(s).

Action: First drop group(s) withshared table(s) from this group and then proceed

with this operation.