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2. Databases

4. How

5. does

7. work? Pernilla

8. Lindh 1måndag 15 juli 13 intro me

14. © All Rights Reserved 2013 | Neo Technology, Inc. About Me Developer Evangelist Started at Neo4j 2012 My Blog: www.p3rnilla.com Find me on Twitter: @p3rnilla Geek Girl Meetup Öresund, Sweden 2måndag 15 juli 13

15. © All Rights Reserved 2013 | Neo Technology, Inc. About Me Developer Evangelist Started at Neo4j 2012 My Blog: www.p3rnilla.com Find me on Twitter: @p3rnilla Email me: pernilla@neotechnology.com Geek Girl Meetup Öresund, Sweden 2måndag 15 juli 13

25. © All Rights Reserved 2013 | Neo Technology, Inc. 9måndag 15 juli 13 Formally, the term database refers to the data itself and supporting data structures. Databases are created to operate large quantities of information by inputting, storing, retrieving, and managing that information. Databases are set up, so that one set of software programs provides all users with access to all the data. (http://en.wikipedia.org/wiki/Database) Databases are created to operate large quantities of information by inputting, storing, retrieving, and managing that information.

26. © All Rights Reserved 2013 | Neo Technology, Inc. inputting 9måndag 15 juli 13 Formally, the term database refers to the data itself and supporting data structures. Databases are created to operate large quantities of information by inputting, storing, retrieving, and managing that information. Databases are set up, so that one set of software programs provides all users with access to all the data. (http://en.wikipedia.org/wiki/Database) Databases are created to operate large quantities of information by inputting, storing, retrieving, and managing that information.

27. © All Rights Reserved 2013 | Neo Technology, Inc. inputting storing 9måndag 15 juli 13 Formally, the term database refers to the data itself and supporting data structures. Databases are created to operate large quantities of information by inputting, storing, retrieving, and managing that information. Databases are set up, so that one set of software programs provides all users with access to all the data. (http://en.wikipedia.org/wiki/Database) Databases are created to operate large quantities of information by inputting, storing, retrieving, and managing that information.

28. © All Rights Reserved 2013 | Neo Technology, Inc. inputting storing retrieving 9måndag 15 juli 13 Formally, the term database refers to the data itself and supporting data structures. Databases are created to operate large quantities of information by inputting, storing, retrieving, and managing that information. Databases are set up, so that one set of software programs provides all users with access to all the data. (http://en.wikipedia.org/wiki/Database) Databases are created to operate large quantities of information by inputting, storing, retrieving, and managing that information.

29. © All Rights Reserved 2013 | Neo Technology, Inc. inputting storing retrieving managing information 9måndag 15 juli 13 Formally, the term database refers to the data itself and supporting data structures. Databases are created to operate large quantities of information by inputting, storing, retrieving, and managing that information. Databases are set up, so that one set of software programs provides all users with access to all the data. (http://en.wikipedia.org/wiki/Database) Databases are created to operate large quantities of information by inputting, storing, retrieving, and managing that information.

31. © All Rights Reserved 2013 | Neo Technology, Inc. 11måndag 15 juli 13 Computer data is information processed or stored by a computer. This information may be in the form of text documents, images, audio clips, software programs, or other types of data. Computer data may be processed by the computer's CPU and is stored in ﬁles and folders on the computer's hard disk. http://www.techterms.com/deﬁnition/data

40. © All Rights Reserved 2013 | Neo Technology, Inc. Data? 12måndag 15 juli 13 So Data is getting bigger as you can see here we are sending 20 million email every second..... recognize this one? Eric Schmidt Executive Chairman of google, he made a nice quote about big data

47. © All Rights Reserved 2013 | Neo Technology, Inc. Data? Every 2 days we create as much information as we did up to 2003.” -Eric Schmidt, Google 12måndag 15 juli 13 So Data is getting bigger as you can see here we are sending 20 million email every second..... recognize this one? Eric Schmidt Executive Chairman of google, he made a nice quote about big data

69. © All Rights Reserved 2013 | Neo Technology, Inc. NOSQL (Not Only SQL) non-relational open-source (mostly) cluster-friendly 21st Centery Web schema optional 18måndag 15 juli 13 charachterictics for a nosql database

70. © All Rights Reserved 2013 | Neo Technology, Inc. NOSQL family 19måndag 15 juli 13 The difference between these databases is the so called datamodel the building blocks that they exposed to the developers Building blocks for Mongo Db are document in Column Oriented database like Cassandra it’s columns the keyvalue stores are key and value column based on bigtables -

71. © All Rights Reserved 2013 | Neo Technology, Inc. NOSQL family 19måndag 15 juli 13 The difference between these databases is the so called datamodel the building blocks that they exposed to the developers Building blocks for Mongo Db are document in Column Oriented database like Cassandra it’s columns the keyvalue stores are key and value column based on bigtables -

72. © All Rights Reserved 2013 | Neo Technology, Inc. NOSQL family Four types of NOSQL databases 19måndag 15 juli 13 The difference between these databases is the so called datamodel the building blocks that they exposed to the developers Building blocks for Mongo Db are document in Column Oriented database like Cassandra it’s columns the keyvalue stores are key and value column based on bigtables -

73. © All Rights Reserved 2013 | Neo Technology, Inc. NOSQL family Document-Oriented Database Four types of NOSQL databases 19måndag 15 juli 13 The difference between these databases is the so called datamodel the building blocks that they exposed to the developers Building blocks for Mongo Db are document in Column Oriented database like Cassandra it’s columns the keyvalue stores are key and value column based on bigtables -

74. © All Rights Reserved 2013 | Neo Technology, Inc. NOSQL family Document-Oriented Database Four types of NOSQL databases 19måndag 15 juli 13 The difference between these databases is the so called datamodel the building blocks that they exposed to the developers Building blocks for Mongo Db are document in Column Oriented database like Cassandra it’s columns the keyvalue stores are key and value column based on bigtables -

75. © All Rights Reserved 2013 | Neo Technology, Inc. NOSQL family Document-Oriented Database Column Oriented Four types of NOSQL databases 19måndag 15 juli 13 The difference between these databases is the so called datamodel the building blocks that they exposed to the developers Building blocks for Mongo Db are document in Column Oriented database like Cassandra it’s columns the keyvalue stores are key and value column based on bigtables -

76. © All Rights Reserved 2013 | Neo Technology, Inc. NOSQL family Document-Oriented Database Column Oriented Four types of NOSQL databases 19måndag 15 juli 13 The difference between these databases is the so called datamodel the building blocks that they exposed to the developers Building blocks for Mongo Db are document in Column Oriented database like Cassandra it’s columns the keyvalue stores are key and value column based on bigtables -

77. © All Rights Reserved 2013 | Neo Technology, Inc. NOSQL family Document-Oriented Database Column Oriented KeyValue Stores Four types of NOSQL databases 19måndag 15 juli 13 The difference between these databases is the so called datamodel the building blocks that they exposed to the developers Building blocks for Mongo Db are document in Column Oriented database like Cassandra it’s columns the keyvalue stores are key and value column based on bigtables -

80. © All Rights Reserved 2013 | Neo Technology, Inc. NOSQL family Document-Oriented Database Column Oriented KeyValue Stores Graph Database Four types of NOSQL databases 19måndag 15 juli 13 The difference between these databases is the so called datamodel the building blocks that they exposed to the developers Building blocks for Mongo Db are document in Column Oriented database like Cassandra it’s columns the keyvalue stores are key and value column based on bigtables -

81. © All Rights Reserved 2013 | Neo Technology, Inc. NOSQL family Document-Oriented Database Column Oriented KeyValue Stores Graph Database Four types of NOSQL databases 19måndag 15 juli 13 The difference between these databases is the so called datamodel the building blocks that they exposed to the developers Building blocks for Mongo Db are document in Column Oriented database like Cassandra it’s columns the keyvalue stores are key and value column based on bigtables -

83. graphs... 20måndag 15 juli 13

101. databases

102. you

103. might

104. heard

105. about 28måndag 15 juli 13

116. are

117. they

118. good

119. at?

120. 30måndag 15 juli 13

131. © All Rights Reserved 2013 | Neo Technology, Inc. 35måndag 15 juli 13 a graphdatavase with an ecxlpit graph structure, each node knows its adjacent nodes as the number of nodes increases the cost of a local step or hop remains the same plus an index for lookups

132. © All Rights Reserved 2013 | Neo Technology, Inc. So what is a Graph Database? 35måndag 15 juli 13 a graphdatavase with an ecxlpit graph structure, each node knows its adjacent nodes as the number of nodes increases the cost of a local step or hop remains the same plus an index for lookups

135. © All Rights Reserved 2013 | Neo Technology, Inc. 35måndag 15 juli 13 a graphdatavase with an ecxlpit graph structure, each node knows its adjacent nodes as the number of nodes increases the cost of a local step or hop remains the same plus an index for lookups

136. © All Rights Reserved 2013 | Neo Technology, Inc. Compered to Relational Database... 35måndag 15 juli 13 a graphdatavase with an ecxlpit graph structure, each node knows its adjacent nodes as the number of nodes increases the cost of a local step or hop remains the same plus an index for lookups

137. © All Rights Reserved 2013 | Neo Technology, Inc. Compered to Relational Database... 35måndag 15 juli 13 a graphdatavase with an ecxlpit graph structure, each node knows its adjacent nodes as the number of nodes increases the cost of a local step or hop remains the same plus an index for lookups

144. © All Rights Reserved 2013 | Neo Technology, Inc. - Property Graph - Full ACID (atomicity, consistency, isolation, durability) Not many NOSQL databases have ACID except Neo4j... 37måndag 15 juli 13

147. © All Rights Reserved 2013 | Neo Technology, Inc. - High Availability (with Enterprise Edition) - Property Graph - Full ACID (atomicity, consistency, isolation, durability) Not many NOSQL databases have ACID except Neo4j... 37måndag 15 juli 13

148. © All Rights Reserved 2013 | Neo Technology, Inc. - Embedded Server - High Availability (with Enterprise Edition) - Property Graph - Full ACID (atomicity, consistency, isolation, durability) Not many NOSQL databases have ACID except Neo4j... 37måndag 15 juli 13

149. © All Rights Reserved 2013 | Neo Technology, Inc. - Embedded Server - High Availability (with Enterprise Edition) - Property Graph - Full ACID (atomicity, consistency, isolation, durability) - REST API Not many NOSQL databases have ACID except Neo4j... 37måndag 15 juli 13

152. What do we need 39måndag 15 juli 13

153. What do we need People Space Crew Land Crew Supply Maps/Navigation System Time schedule Spacecraft $$Money Astronauts Engineers Managers Doctors operative personal Admin personal foodwater Test, test ,test WC space suits communication tools documentation Mars Earth stars training fuelSystem Salaries clothes training program 6 months - from Earth mars more research mars rover planning prep time recovering time Summary sponsors smart people 39måndag 15 juli 13

156. to participate_in ﬂy 41måndag 15 juli 13

157. to participate_in ﬂy control w orks_in look_after look_after 41måndag 15 juli 13

158. to participate_in ﬂy control w orks_in works_at look_after look_after works_at w orks_at part_of Mars Mission_To_Mars Astronaut Pernilla Spaceship control_tower Admin Stina Manager Lisa Doctor Michaela NASA Headquarter 41måndag 15 juli 13

161. A graph database = Nodes and relationships Nodes Relationships Mars Pernilla Astronaut Anna Manager Michaela Doctor Lisa Admin Stina Engineer Supply Spaceship NASA Control Tower Mission_to_Mars Money goes_into built design ﬂy works_in look_after works_at participate_in to manage pay_mission 43måndag 15 juli 13

163. Cypher - a graph query language ๏ a pattern-matching query language ๏ declarative grammar with clauses (like SQL) ๏ aggregation, ordering, limits ๏ create, read, update, delete, match 44måndag 15 juli 13

165. // create a node create (astronaut:Astronaut {name:Pernilla, age: 27}), (target:Planet {planet:Mars}), (mission:Mission {mission:Mission to Mars}); // find nodes match to node 1,2,3 MATCH (astronaut)-[:PARTICIPATES_IN] -(mission)-[:TO]-(Planet:planet) where planet.planet = Mars RETURN astronaut.name 45måndag 15 juli 13

166. // create a node create (astronaut:Astronaut {name:Pernilla, age: 27}), (target:Planet {planet:Mars}), (mission:Mission {mission:Mission to Mars}); // find nodes match to node 1,2,3 MATCH (astronaut)-[:PARTICIPATES_IN] -(mission)-[:TO]-(Planet:planet) where planet.planet = Mars RETURN astronaut.name 45måndag 15 juli 13

167. Demo http://gist.neo4j.org/?5999059 46måndag 15 juli 13

168. THANKS! Questions? 47måndag 15 juli 13

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