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Get last Left Child in binary tree in php
i am trying to get the last left child of sponsor id in a Binary tree.
Like: this is present situation(in picture), when id7 whats to add a customer(whose id will be 14) in his left side then it will ...
- 158
1
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2
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Querying a self relationship category table
I am trying to optimize my php code for the following table
Create table categories (
cat_id Int UNSIGNED NOT NULL AUTO_INCREMENT,
parent_id Int UNSIGNED,
cat_name Varchar(50) NOT NULL,
...
- 105