You can query all clob related settings from the database with the following query.

SELECT table_name,
  column_name,
  securefile  AS "isSecureFile",
  compression AS "Compressed" ,
  encrypt     AS "Encrypted",
  DEDUPLICATION as "Deduplicated",
  in_row      AS "StoredInRow"
FROM user_lobs
TABLE_NAME COLUMN_NAME isSecureFile Compressed Encrypted Deduplicated StoredInRow
SAMPLE_DATASET_INTRO XMLDATA YES NO NO NO YES
SAMPLE_DATASET_EVOLVE XMLDATA YES NO NO NO YES
SAMPLE_DATASET_PARTN XMLDATA YES NO NO NO YES
SAMPLE_DATASET_FULLTEXT XMLDATA YES NO NO NO YES
SAMPLE_DATASET_XQUERY XMLDATA YES NO NO NO YES
SAMPLE_DATASET_REPOS IMAGE YES NO NO NO YES