Updating & performing advanced actions on records

db.events.find().forEach(

function (e) {

// update document, using its own properties

e.coords = { lat: e.lat, lon: e.lon };

// remove old properties

delete e.lat;

delete e.lon;

// save the updated document

db.events.save(e);

}

)

Functions

• stats()
• getCollectionNames()
• use [database name]
• remove() - clear DB

Find

• {fieldName: { $lt, $lte, $gt, $gte, $ne: "value" }