Getting Info about Materialized View Logs

SELECT * FROM DBA_REGISTERED_MVIEWS;

SELECT AMVS.OWNER,
       AMVS.MASTER,
       AMVS.MVIEW_LAST_REFRESH_TIME,
       RMVS.OWNER,
       RMVS.NAME,
       RMVS.MVIEW_SITE
  FROM ALL_BASE_TABLE_MVIEWS AMVS,
       ALL_REGISTERED_MVIEWS RMVS
 WHERE RMVS.MVIEW_ID=AMVS.MVIEW_ID;

SELECT MOWNER,
       MASTER,
       SNAPSHOT,
       SNAPID,
       SNAPTIME,
       SSCN,
       USER# 
  FROM SYS.SLOG$
 WHERE MASTER='&TABLE_NAME';

SELECT R.NAME SNAPNAME, 
       SNAPID, 
       NVL(R.SNAPSHOT_SITE, 'NOT REGISTERED') SNAPSITE, 
       SNAPTIME 
  FROM SYS.SLOG$ S, 
       DBA_REGISTERED_SNAPSHOTS R
 WHERE S.SNAPID=R.SNAPSHOT_ID(+) 
   AND MOWNER LIKE UPPER('&OWNER') 
   AND MASTER LIKE UPPER('&TABLE_NAME');