SQL> describe user_tables;
Name Null? Type
---------------------------------------------------------
TABLE_NAME NOT NULL VARCHAR2(30)
TABLESPACE_NAME VARCHAR2(30)
CLUSTER_NAME VARCHAR2(30)
IOT_NAME VARCHAR2(30)
STATUS VARCHAR2(8)
PCT_FREE NUMBER
PCT_USED NUMBER
INI_TRANS NUMBER
MAX_TRANS NUMBER
INITIAL_EXTENT NUMBER
NEXT_EXTENT NUMBER
MIN_EXTENTS NUMBER
MAX_EXTENTS NUMBER
PCT_INCREASE NUMBER
FREELISTS NUMBER
FREELIST_GROUPS NUMBER
LOGGING VARCHAR2(3)
BACKED_UP VARCHAR2(1)
NUM_ROWS NUMBER
BLOCKS NUMBER
EMPTY_BLOCKS NUMBER
AVG_SPACE NUMBER
CHAIN_CNT NUMBER
AVG_ROW_LEN NUMBER
AVG_SPACE_FREELIST_BLOCKS NUMBER
NUM_FREELIST_BLOCKS NUMBER
DEGREE VARCHAR2(10)
INSTANCES VARCHAR2(10)
CACHE VARCHAR2(5)
TABLE_LOCK VARCHAR2(8)
SAMPLE_SIZE NUMBER
LAST_ANALYZED DATE
PARTITIONED VARCHAR2(3)
IOT_TYPE VARCHAR2(12)
TEMPORARY VARCHAR2(1)
SECONDARY VARCHAR2(1)
NESTED VARCHAR2(3)
BUFFER_POOL VARCHAR2(7)
ROW_MOVEMENT VARCHAR2(8)
GLOBAL_STATS VARCHAR2(3)
USER_STATS VARCHAR2(3)
DURATION VARCHAR2(15)
SKIP_CORRUPT VARCHAR2(8)
MONITORING VARCHAR2(3)
CLUSTER_OWNER VARCHAR2(30)
DEPENDENCIES VARCHAR2(8)
COMPRESSION VARCHAR2(8)
DROPPED VARCHAR2(3)
SQL>
SQL> select table_name, tablespace_name
2 from user_tables
3 where rownum < 30
4 order by table_name;
TABLE_NAME TABLESPACE_NAME
------------------------------ ------------------------------
EMPLOYEE_TAB
EMP_DEPT SYSTEM
PEOPLE SYSTEM
SESS_EVENT
TEMP_ALL_OBJECTS
TRANSACTION_TAB
6 rows selected.
SQL>