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Graph Databases Will Change Your Freakin Life
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funkatron
June 23, 2016
Technology
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Graph Databases Will Change Your Freakin Life
Given at Open Source Bridge 2016
funkatron
June 23, 2016
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Transcript
GRAPH DATABASES WILL CHANGE YOUR FREAKIN’ LIFE ED FINKLER LEAD
DEVELOPER & HEAD OF DEVELOPER CULTURE
WHAT IS?
I’VE GOT A DOPE VISUALIZATION FOR YOU DOGG This Effin
Guy HEY I JUST DOWNLOADED D3.JS
NO. INCORRECT.
GRAPH THEORY AND MATH AND STUFF
I WAS TOLD THERE WOULD BE NO MATH
IT’S ABOUT DATA
MANY DATA Visualiza!on by Kim Albrecht h"p:/ /www.kimalbrecht.com/project/cosmic-web/
BUT IGNORE THAT
ZOOOOOO000M IN
HOW DO WE REPRESENT A THING OR AN ENTITY OR
WHATEVER YOU WANT TO CALL IT
RELATIONAL DATABASES USE A LEDGER-STYLE STRUCTURE
USUALLY A THING IS ONE ROW IN A TABLE
YOU USE CONSTRAINTS TO REPRESENT RELATIONSHIPS BETWEEN THINGS
THE TABLE STRUCTURE IS GREAT FOR CONSTRAINING INPUT AND LOCKING
THINGS DOWN
CAN GET COMPLEX AND RIGID WHEN REPRESENTING RELATIONSHIPS
LET’S TALK ABOUT [NEO4J] GRAPHS
GRAPHS ARE MUCH SIMPLER
THINGS ARE NODES OR VERTICES
NODES HAVE PROPERTIES { KEYS: “VALUES” }
NODES HAVE LABELS TO TELL YOU WHAT TYPE OF THING
IT IS
n:Person id: 1234 first_name: “Ed” last_name: “Finkler”
NODES ARE CONNECTED BY RELATIONSHIPS OR EDGES
RELATIONSHIPS HAVE A TYPE AND A DIRECTION AND CAN HAVE
PROPERTIES
n:Person id: 4321 first_name: “Griffin” last_name: “Finkler” n:Person id: 1234
first_name: “Ed” last_name: “Finkler” r:CHILD_OF created: 2002
DOTS AND LINES ALL THE WAY DOWN
IT’S SIMPLER
IT’S MORE POWERFUL
WHEN THE MEANING IS IN THE RELATIONSHIPS
SOMETIMES DIRECT RELATIONSHIPS BUT THAT’S NOT HARD TO DO WITH
RELATIONAL DBS PERSON A PERSON B
SOMETIMES INDIRECT RELATIONSHIPS THIS IS HARDER TO DO TRAVERSE WITH
RELATIONAL DATABASES ACTOR A ACTOR B MOVIE A DIRECTOR A MOVIE B ACTOR C
SCALING UP INDIRECT RELATIONSHIPS
ANSWERING QUESTIONS YOU DIDN’T EXPECT
YOU WANT TO KNOW HOW MANY PEOPLE WHO BOUGHT A
TOASTER IN KANSAS AND HAVE A CRIMINAL RECORD USED YESTERDAY’S COUPON? NO. GET THE HELL OUT. This Effin Guy ASKING YOUR BACKEND DEV IF YOU CAN GET SOME NEW DATA OUT OF THE DB
WITH A GRAPH, YOU COULD ANSWER THAT QUESTION. IF YOU
HAVE ALL THAT DATA IN THERE, AND THERE ARE PATHS BETWEEN THEM.
YOU CAN ADD MORE RELATIONSHIPS AS NEEDED AND STILL BE
PERFORMANT
EGOTISTICAL LIVE CODING TIME
I’M PROBABLY GONNA FUNK THIS UP
CMD+TAB, SON
THANK GOD THAT’S OVER
GRAPHS AREN’T MAGIC
GRAPHS DON’T SOLVE ALL YOUR PROBLEMS
IF YOU’RE ASKING QUESTIONS ABOUT THE RELATIONSHIPS, THEY ARE REALLY
NICE AND REALLY POWERFUL AND SOMETIMES SEEM LIKE WITCHCRAFT
ESPECIALLY IF YOU HAVE MANY DATAS
WHAT GREAT DELIGHTS AWAIT YOU DATAS FOR FUN AND EXPLORATION
▸ graphstory.com -> Free Trial (no CC!) -> Sample Data ▸ h!p:/ /neo4j.com/developer/example-data/ ▸ h!ps:/ /github.com/OSMIHelp/osmi-survey-graph
@GRAPHSTORYCO • GRAPHSTORY.COM @FUNKATRON QUESTION TIME IS NOW. BE NICE.