Hierarchy type record retrieval SQL query

+------------+--------------+--------+-------+----------+-----------+-----------+

| templateid | enterpriseid | PlanID | proid | assessid | startdate | enddate |

+------------+--------------+--------+-------+----------+-----------+-----------+

| 5 | NULL | NULL | NULL | NULL | 4/21/2016 | 4/21/2016 |

| 6 | 1 | NULL | NULL | NULL | 4/21/2016 | 4/21/2016 |

| 7 | 1 | NULL | 1 | NULL | 4/21/2016 | 4/21/2016 |

| 1 | 1 | 8 | 4 | NULL | 4/21/2016 | 4/21/2016 |

| 10 | 15 | NULL | NULL | NULL | 4/21/2016 | 4/21/2016 |

| 11 | 15 | NULL | 3 | NULL | 4/21/2016 | 4/21/2016 |

| 3 | 15 | 13 | 34 | NULL | 4/21/2016 | 4/21/2016 |

| 12 | 77 | NULL | NULL | NULL | 4/21/2016 | 4/21/2016 |

| 13 | 77 | NULL | 4 | NULL | 4/21/2016 | 4/21/2016 |

| 4 | 77 | 10 | 10 | NULL | 4/21/2016 | 4/21/2016 |

| 8 | 82 | NULL | NULL | NULL | 4/21/2016 |...