danared

> db.test.find()
{ "_id" : { "a" : 1234, "b" : 5678 } }
> db.test.find( { _id : { b : 5678, a : 1234 } } ) <- No Match! Wuh?
> db.test.find( { _id : {  a : 1234, b : 5678 } } ) <- But this does? What"s the diff?

danared

db.presents.insert( { 
  _id: "skate_board_434", 
  color: "blue",
  for: "Mariott"
} )  -> results in an error since it's missing `present_for` field

danared

//japan team 
ruby 
focus on 2 languages 
japanese
english 
schema design for present requests 
{ 
  _id: { inc: 5535345, name: "Maneki Neko"}
  shape: "Round"
  receiver: "Shinobu Tsukasa",

danared

//brazil team 
node.js
focus on 4 languages
portuguese
spanish 
french
dutch - yes, surinam and the duct antilles are located in SA!
schema design for present requests
{ 
  _id: "surf_board_12334244", 

danared

db.runCommand({
    collMod: "contacts",
    validator: { 
        $and: [
            {year_of_birth: {$lte: 1994}},
            {$or: [ 
                {phone: { $type: "string" }}, 
                {email: { $type: "string" }}
    ]}]
}})

danared

{
  "highestPrice": 1350000,
  "lowestPrice": 125000,
  "averagePrice": 410593,
  "priceStdDev": 182358,
  "Year": 2015
},
...
{
  "highestPrice": 930000,

danared

db.postcodes.aggregate([
      {
        $geoNear:
        {
          near: 
          {
            "type": "Point",
            "coordinates": [
              51.5156725,
              -0.727387

danared

{
  "_id": 1995,
  "neighbours": [
    "SL6 2NL",
    "SL6 2JL",
    "SL6 2NB",
    "SL6 2JN",
    "SL6 2NA"
  ]
}

danared

db.postcodes.createIndex({location: "2dsphere"})

danared

db.hottestLocations.find().forEach(function(myDoc) {
  var myCursor = findNeighbours(myDoc.Location[0], myDoc.Year);
  myCursor.forEach(printjson);
})