MongoDB / MongoDB Interview questions
Difference between SQL and No-SQL terminologies.
|SQL Terms/Concepts.||MongoDB Terms/Concepts.|
|row.||document or BSON document.|
|table joins.||$lookup, embedded documents.|
|primary key.||primary key.|
|Specify any unique column or column combination as primary key.||In MongoDB, the primary key is automatically set to the _id field.|
|aggregation (for example, group by).||aggregation pipeline.|
Dogecoin! Earn free bitcoins up to $250 now by signing up.
Earn bitcoins upto $250 (free), invest in other Cryptocurrencies when you signup with blockfi. Use the referral link: Signup now and earn!
Using BlockFi, don't just buy crypto - start earning on it. Open an interest account with up to 8.6% APY, trade currencies, or borrow money without selling your assets.
Invest now!!! Get Free equity stock (US, UK only)!
Use Robinhood app to invest in stocks. It is safe and secure. Use the Referral link to claim your free stock when you sign up!.
The Robinhood app makes it easy to trade stocks, crypto and more.
More Related questions...