SQL> SELECT
  table_name, owner
FROM
  all_tables
where owner='CG_PROD_MYPEARSON_APP'
ORDER BY
  owner, table_name;
  2    3    4    5    6    7  
TABLE_NAME		       OWNER
------------------------------ ------------------------------
CLASS_ROSTER		       CG_PROD_MYPEARSON_APP
CLASS_ROSTER_PRODUCT	       CG_PROD_MYPEARSON_APP
CLASS_ROSTER_USER	       CG_PROD_MYPEARSON_APP
COURSE_SERVICES_DELTAS	       CG_PROD_MYPEARSON_APP

SQL> 
SQL> 
SQL> select count(1) from CLASS_ROSTER;

  COUNT(1)
----------
     58155

SQL> select count(1) from CLASS_ROSTER_USER;

  COUNT(1)
----------
    717084

SQL> select count(1) from CLASS_ROSTER_PRODUCT;

  COUNT(1)
----------
     76953

SQL>