Graph Database?

RDBMS

Graph DB

Migration

• Create model
• Load data
• Query data

SELECT name FROM Person
LEFT JOIN Person_Department
  ON Person.Id = Person_Department.PersonId
LEFT JOIN Department
  ON Department.Id = Person_Department.DepartmentId
WHERE Department.name = "IT Department"

MATCH (p:Person)<-[:EMPLOYEE]-(d:Department)
WHERE d.name = "IT Department"
RETURN p.name

TL;DR

• ACID
• Clustered
• Bilions of entities
• Readable queries
• High performance
• Optional schema

Community vs Enterprise

• clustered replication
• cache sharding
• fail-over
• high-availability
• live backups
• advanced monitoring

Basics