MongoDB presentation for Thinkorswim

1. Introducing

3. Built for performance

4. Built to scale

6. { "name" : "MongoDB" , "type" : "database" , "count" : 1, "info" : { x : 203, y : 102 } }

8. Fast, in-place updates

9. Supports indexing

10. Built to Scale

11. Sharding

12. Code examples...

13. Mongo mongo = new Mongo( new DBAddress( "localhost" , 27017 ) ); DB db = mongo.getDB( "mydb " ); DBCollection collection = db.getCollection( "test" ); Getting connected

14. BasicDBObject doc = new BasicDBObject(); doc.put( "name" , "Thinkorswim" ); doc.put( "address" , "600 W. Chicago Ave., #100" ); doc.put( "count" , 1); BasicDBObject loc = new BasicDBObject(); info.put( "lat" , 41.896551); info.put( "long" , -87.643438); doc.put("loc", loc); coll.insert(doc);

15. DBCursor cursor = collection.find( new BasicDBObject( "name" , “Thinkorswim” )); while (cursor.hasNext()){ System.out.println(cursor.next().get( "name" ); } Querying

17. * $set

18. * $unset

19. * $push

21. * $pop

22. * $pull

23. * $pullAll

24. * $rename

25. BasicDBObject inc = new BasicDBObject( "$inc" , new B asicDBObject( "count" , 1)); BasicDBObject spec = new BasicDBObject( “name” , ”Thinkorswim” ); collection.update(spec, inc);

26. Indexes Basic: coll.createIndex(new BasicDBObject( "name" , 1)); Embedded: coll.createIndex(new BasicDBObject( "address.city" , 1)); Compound: coll.createIndex(new BasicDBObject(“name”, 1).append( “i”, -1));

28. MapReduce

29. Geospatial indexing