Change oraclestartwith to mysql

SELECTt. * FROM (SELECTDISTINCT (sm. menu_id), sm. up_menu_id, sm. menu_name, sm. menu_method, sm. leaf, sm. VALID_FLAGFROMsys_menusm, sys_role_menusrm, sys_rolesr, sys_user_rolesurWHEREsm.menu_idsrm.menu_idANDsrm.role_idsr.role_idAND... mysqlstart withoracle

SELECT t .*
FROM (select distinct (sm. menu_id ),
Sm. up_menu_id,
Sm. menu_name,
Sm. menu_method,
Sm. leaf,
Sm. VALID_FLAG
FROM sys_menu sm,
Sys_role_menu srm,
Sys_role sr,
Sys_user_role sur
WHERE sm. menu_id = srm. menu_id
AND srm. role_id = sr. role_id
AND sr. role_id = sur. role_id
AND sur. user_id = 3) t
Start with t. up_menu_id = 999999
Connect BY prior menu_id = t. up_menu_id

0 999999 system management
11 0 menu management
27 11 add menu operations
29 11 go to the modify menu page
30 11 modify menu operations
74 11 delete menu operations
12 0 role management
24 12 go to modify role
79 12 go to add Role
80 12 add a role
81 12 modify a role
107 delete a role
13 0 role menus
14 13 go to role menu binding
25 13 role binding menu operations
102 delete a role menu

This is oracle effect
How can I change to myslq?