SELECT DISTINCT CLOB_COLUMN FROM TABLE;

Question

I would like to find the distinct CLOB values that can assume the column called CLOB_COLUMN (of type CLOB) contained in the table called COPIA.

I have selected a PRO

Answer 1

add TO_CHAR after distinct keyword to convert CLOB to CHAR

SELECT DISTINCT TO_CHAR(CLOB_FIELD) from table1;   //This will return distinct values in CLOB_FIELD