sql - Executing Hierarchical Query showing all data -

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i trying hierarchical select query in oracle can't desire out put there , don't under stand writing wrong query or there wrong data in table desire out put like

i_id    name    mgr_id  level   path 1       smith       0    0      /smith 2       allen       1    1      /smith/allen 3       ward        1    1      /smith/ward 5       martin      1    1      /smith/martin 4       jones       2    2      /smith/allen/jones 7       clark       2    2      /smith/allen/clark 6       blake       3    2      /smith/ward/blake 8       scott       7    3      /smith/allen/clark/scott 9       king        7    3      /smith/allen/clark/king 10      turner      8    4      /smith/allen/clark/scott/turner 12      james       8    4      /smith/allen/clark/scott/james 11      adams       10   5      /smith/allen/clark/scott/turner/adams 13      ford        11   6      /smith/allen/clark/scott/turner/adams/ford 14      miller      13   7      /smith/allen/clark/scott/turner/adams/ford/miller

please me out reference please check

i used query similar yours, , grouped result select 1 row max level each i_ids.

query:

select * (     select         i_id, name, mgr_id, max(plevel) - 1 "level",         max(path) keep (dense_rank last order plevel) path (         select i_id, name, mgr_id, level plevel, sys_connect_by_path(name, '/') path         emp         connect prior i_id = mgr_id     ) group i_id, name, mgr_id ) order "level", i_id

results:

| i_id |   name | mgr_id | level |path                                              | |------|--------|--------|-------|--------------------------------------------------| |    1 |  smith |      0 |     0 |/smith                                            | |    2 |  allen |      1 |     1 |/smith/allen                                      | |    3 |   ward |      1 |     1 |/smith/ward                                       | |    5 | martin |      1 |     1 |/smith/martin                                     | |    4 |  jones |      2 |     2 |/smith/allen/jones                                | |    6 |  blake |      3 |     2 |/smith/ward/blake                                 | |    7 |  clark |      2 |     2 |/smith/allen/clark                                | |    8 |  scott |      7 |     3 |/smith/allen/clark/scott                          | |    9 |   king |      7 |     3 |/smith/allen/clark/king                           | |   10 | turner |      8 |     4 |/smith/allen/clark/scott/turner                   | |   12 |  james |      8 |     4 |/smith/allen/clark/scott/james                    | |   11 |  adams |     10 |     5 |/smith/allen/clark/scott/turner/adams             | |   13 |   ford |     11 |     6 |/smith/allen/clark/scott/turner/adams/ford        | |   14 | miller |     13 |     7 |/smith/allen/clark/scott/turner/adams/ford/miller |

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