Table: tbUser
ID Name Descr ParentName
1 XYZ this is Parent record NULL
2 ABC this is parent record NULL
3 PQR this is child record 1
4 STU this is Child Record 1
5 MNO this is child 1
6 IJK this is child 2
Expected Result Like this:
ID Parent Name
1 Select XYZ
1 PQR
1 STU
1 MNO
2 Select ABC
2 IJK