Codynn Learns

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4 hours ago | [YT] | 1

Codynn Learns

What does this query return?

db.users.find({ age: { $gte: 18 } })

3 days ago | [YT] | 1

Codynn Learns

What does this command do?

db.users.deleteOne({ name: "Ram" })

4 days ago | [YT] | 0

Codynn Learns

What does this command do?
db.users.updateOne(
{ name: "Ram" },
{ $set: { age: 21 } }
)

5 days ago | [YT] | 1

Codynn Learns

What does $gt mean?

db.users.find({ age: { $gt: 18 } })

6 days ago | [YT] | 1

Codynn Learns

What does this query find?
db.users.find({ age: 20 })

1 week ago | [YT] | 0

Codynn Learns

What does this command insert?

db.users.insertOne({
name: "Ram",
age: 20
})

1 week ago | [YT] | 0

Codynn Learns

What does this command do?

db.users.find()

1 week ago | [YT] | 0

Codynn Learns

What is equivalent to a table?

1 week ago | [YT] | 0

Codynn Learns

What format does MongoDB use internally?

1 week ago | [YT] | 0