如何显示数据库中所有表，谢先。

Question

select table_name from all_tables;

Answer 1

select table_name from all_tables where onwer='用户名';

Answer 2

写错了
select table_name from all_tables where owner='用户名';

Answer 3

SQL> desc dba_tables;
 名称                                      是否为空? 类型
 ----------------------------------------- -------- ------------
 OWNER                                     NOT NULL VARCHAR2(30)
 TABLE_NAME                                NOT NULL VARCHAR2(30)
 TABLESPACE_NAME                                    VARCHAR2(30)
 CLUSTER_NAME                                       VARCHAR2(30)
 IOT_NAME                                           VARCHAR2(30)
 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)
 NESTED                                             VARCHAR2(3)
 BUFFER_POOL                                        VARCHAR2(7)
//呵呵，有点多了：）

Answer 4

select * from dba_tables;

Answer 5

select * from tab;