1. The document discusses understanding the relationship between frontends and backends, databases like MongoDB, and getting hands-on experience. 2. It provides examples of MongoDB queries and their equivalent SQL queries for finding, inserting, and updating data. 3. Code samples are given for performing operations with MongoDB like inserting single and multiple documents, finding documents by field values or conditions.

3. 1. Entender relação frontend e backend
2. Bancos de dados
3. MongoDB
4. Mão na massa!

10. MOBILE
WEB
SERVICE
API SERVICE
DB
FILE

11. https://vertigo.com.br/o-que-e-api-entenda-de-uma-maneira-simples/

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30. for(var i=0;i<=25;i++) db.contador.insert({x:i})
db.products.insert({ProductName:"Caixa",Price:20})
db.products.insertMany([
{ productName: "Lapis", stock: 10, price: 20,status:"A"},
{ productName: "Tesoura", price: 5, status: "B" },
{ productName: "Borracha", price: 15, status: "A" }
])

31. db.contador.find().pretty()
SELECT * FROM contador
db.products.find({ status:"A"})
SELECT * FROM products WHERE status = “A”
db.products.find( { status: { $in: [“A”,”B”] } })
SELECT * FROM products WHERE status in (“A”, “B”)

32. db.products.find({ status:“A”, price:{ $lt: 10 }})
SELECT * FROM products
WHERE status = “A” AND price < 10

33. db.products.find({
$or: [
{ status: “A” },
{ price: { $lt: 10 } }
]
})
SELECT * FROM products
WHERE status = “A” OR price < 10

34. db.products.find(
{"storage.local":"GRU"}
).pretty()

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