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INSERT INTO sys_role_menu(role_id, menu_id)

SELECT '9', '9' FROM DUAL WHERE NOT EXISTS(SELECT role_id,menu_id FROM sys_role_menu WHERE role_id = '9' and menu_id='9')

union all

SELECT '9', '11' FROM DUAL WHERE NOT EXISTS(SELECT role_id,menu_id FROM sys_role_menu WHERE role_id = '9' and menu_id='11')