Oracle : Ошибка ORA-23370

"table %s and table %s are not shape equivalent (%s)"
*Cause: The tables specified are not shape equivalent, which means
intuitively that the number of columns, the names, their datatypes
and lengths are not the same. Specifically, problem is
in the parentheses and is one of the following: the number of
columns are not equal, datatypes of columns with
same name in different tables are different, lengths of
varchar2 and char columns are not equal, precision and
scale of number datatypes are not equal.
*Action: Make sure the two tables being compared have the same
number of columns, same column names, and same datatypes.

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