Best way to handle LOBs in Oracle distributed databases

Question

If you create an Oracle dblink you cannot directly access LOB columns in the target tables.

For instance, you create a dblink with:

create database link          


        

Answer 1

The best solution by using a query as below, where column_b is a BLOB:

SELECT (select column_b from sample_table@TEST_LINK) AS column_b FROM DUAL