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2 questions
3
votes
2
answers
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Fetching all nodes of a directed graph by an id of any node
Task: Rowset of all reachable(in any direction) nodes from any node in a graph. In other words I need to extract all nodes of a particular graph from a table in the database where graph specified by ...
3
votes
1
answer
544
views
Find all the countries I can visit by just crossing direct borders
I was helping on this question. There you have a table border to indicate countryA and countryB have a common border. And want ...