1
vote
1answer
309 views

Tree structure hierarchical query sorting

I have the following structure of table. CREATE TABLE table1 ( serial_num integer NOT NULL, parent_num integer, parent_key text, key_ary_num integer[], level integer, rank integer, ...
0
votes
2answers
445 views

Recursive update for tree structure in PostgreSQL

I have the following structure of table. id chNum parentid --- ------ --------- 1 1 NULL 2 1.1 1 3 1.1.1 2 4 2 ...