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votes
2answers
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Performing SELECT on EACH ROW in CTE or Nested QUERY?
This is a problem in PostgreSQL
I have a table which stores the tree of users;
+------+---------+
| id | parent |
|------+---------|
| 1 | 0 |
|------|---------|
...
0
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0answers
60 views
Prefix traverse of a tree
I have a table with tree data as it defined in this question and have to implement traversal of the tree that looks like preorder traversal but instead of root --> left subtree --> right subtree ...
