Types of queries in GDbs

• node properties   (like SQL where clauses)
  • e.g.   is there a Person called John?   how old is John?
• adjacency queries
  • e.g. is John the parent of Jane?
• reachability queries
  • e.g. is William one of John's ancestors?
• summarization queries   (like SQL aggregates)
  • e.g. how many generations between William and John?