ORA-00997: illegal use of LONG datatype
Cause: A value of datatype LONG was used in a function or in a DISTINCT, WHERE, CONNECT BY, GROUP BY, or ORDER BY clause. A LONG value can only be used in a SELECT clause.
Action: Remove the LONG value from the function or clause
ORA-00997: "illegal use of LONG datatype":
When trying to reorganize a database table that includes a LONG column, there is likely to be an Oracle error message such as:
ORA-00997: illegal use of LONG datatype
This is because it is not possible to use a LONG column in any SQL statement. It can only be used where the application is retrieving part of the column - by specifying the start byte and the number of bytes.
The following will cause the above error:
ALTER TABLE tablename MOVE TABLESPACE tablespacename;
or
CREATE TABLE newtablename AS SELECT * FROM oldtablename;
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