Counting number of children in hierarchical SQL data
- by moontear
Hello,
for a simple data structure such as so:
ID parentID Text Price
1 Root
2 1 Flowers
3 1 Electro
4 2 Rose 10
5 2 Violet 5
6 4 Red Rose 12
7 3 Television 100
8 3 Radio 70
9 8 …