Lightning Talk by Ivan Lavriv about Arango DB during #pivorak Lviv Ruby MeetUp Anniversary, Lviv, Ukraine.

1. for rubyists in 10mins

2. What is Arango db?
Multi model database NoSql Database

3. Features
● Flexible data model for documents
● Key value storage
● Admin interface
● Spesified query language
● Http interface
● Foxx application

4. Structure of document
{
“_id”: “users/1235432‘,
“_key”: “1235432”,
“_rev”: “32442525”
“firstName”: “Test”,
“lastName”: “User”,
“roles”: [“admin”, ‘moderator“]
}

5. Collections
db._create(‘users’)
db.users.ensureIndex( /* */ )
db.users.document(“users/123256”)
db._document(“users/2213445”)
db._drop(‘users’)

6. Indexes
db.users.ensureIndex({type: “hash”, fields: [“first”]})
db.users.ensureIndex({type: “skiplist”, fields: [“first”, “last”], unique: true})
db.books.ensureIndex({type: “hash”, fields: [“content”], minLength: 3})

7. AQL
FOR u IN users
FILTER u.firstName = “Test”
RETURN {
“firstName”: u.firstName
}

8. AQL supports
● Varibles
● Filters
● Joins
● Transactions

9. Also
● Graphs
● Transactions

10. For rubyists
● gem install ashikawa-core (https://github.com/triAGENS/ashikawa-core)
● Foxx framework application

11. Any
questions?