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Rodger Lepinsky, Database Expert, Data Analyst, Data Scientist.
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Tag: Cypher

NEO4J – Shortest Paths in the Cineasts Database

August 19, 2013 Rodgers Notes Writer Leave a comment

How many movies and co-actors link the actor Henry Fonda from his granddaughter Bridget Fonda? Actually, not many.

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Posted in: Graph Database Filed under: AllShortestPaths, Cypher, NEO4J, ShortestPath

Counting Many Paths Between Nodes In NEO4J

August 16, 2013 Rodgers Notes Writer Leave a comment

Continuing my exploration of DBA_OBJECTS using NEO4J, and Cypher, there can be VERY MANY paths between one object and another. The more complex and interconnected the graph, the number of paths between nodes goes up exponentially.

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Posted in: Graph Database Filed under: Child, Cypher, dba_dependencies, dba_objects, NEO4J, Parents, Path, Tree Structure

Using NEO4J To Find Paths To All Parent Or Child Objects

August 12, 2013 Rodgers Notes Writer 3 Comments

Here’s how to find the paths to all generations of parents or children of an Oracle object using the graph database, NEO4J and Cypher.

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Posted in: Graph Database Filed under: Cypher, dba_objects, NEO4J

Recommendation Engines: RDBMS and SQL, Versus Graph Database

May 30, 2013 Rodgers Notes Writer 4 Comments

For a Recommendation Engine, which tool would you use: SQL and RDBMS, or a Graph Database?

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Posted in: Graph Database Filed under: Cartesian Products, Cypher, NEO4J, RDBMS, SQL
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