docval2

use clusterdb;
db.dropDatabase();
use clusterdb();
db.inventory.insert({ "_id" : 1, "sku" : "abc", 
    "description" : "product 1", "instock" : 120 });
db.inventory.insert({ "_id" : 2, "sku" : "def", 
    "description" : "product 2", "instock" : 80 });
db.inventory.insert({ "_id" : 3, "sku" : "ijk", 
    "description" : "product 3", "instock" : 60 });
db.inventory.insert({ "_id" : 4, "sku" : "jkl", 
    "description" : "product 4", "instock" : 70 });
db.inventory.insert({ "_id" : 5, "sku" : null, 
    "description" : "Incomplete" });
db.inventory.insert({ "_id" : 6 });

for (i=1000; i<2000; i++) {
  db.orders.insert({
    _id: i,
    item: "abc", 
    price: i % 50,
    quantity: i % 5
  });
};

for (i=2000; i<3000; i++) {
  db.orders.insert({
    _id: i,
    item: "jkl", 
    price: i % 30,
    quantity: Math.floor(10 * Math.random()) + 1
  });
};

for (i=3000; i<3200; i++) {
  db.orders.insert({
    _id: i,
    price: i % 30,
    quantity: Math.floor(10 * Math.random()) + 1
  });
};

for (i=3200; i<3500; i++) {
  db.orders.insert({
    _id: i,
    item: null,
    price: i % 30,
    quantity: Math.floor(10 * Math.random()) + 1
  });
};

for (i=3500; i<4000; i++) {
  db.orders.insert({
    _id: i,
    item: "abc",
    price: "free",
    quantity: Math.floor(10 * Math.random()) + 1
  });
};

for (i=4000; i<4250; i++) {
  db.orders.insert({
    _id: i,
    item: "abc",
    price: "if you have to ask....",
    quantity: Math.floor(10 * Math.random()) + 1
  });
};