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MongoDB is a NoSQL database. Precisey speaking, it’s a document-oriented database. It stores arbitrarily complex key-value objects. For example, in a single Car object you can store as much information as you want. Not only license plate or manufacturing year. But also information about each individual part, history of repairs, insurance and all owners. No matter how much information you want to keep, you just put that in a single, easily accessible document. Contrast that to relational databases, where each relationship has to be modelled as a separate table. So the same Car would have been spread across tens of tables. Imagine all these SQL JOINs! No wonder why MongoDB is one of the most popular databases.
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Jest to odcinek podkastu:
Around IT in 256 seconds
Podcast for developers, testers, SREs... and their managers. I explain complex and convoluted technologies in a clear way, avoiding buzzwords and hype. Never longer than 4 minutes and 16 seconds. Because software development does not require hours of lectures, dev advocates' slide decks and hand waving. For those of you, who want to combat FOMO, while brushing your teeth. 256 seconds is plenty of time. If I can't explain something within this time frame, it's either too complex, or I don't understand it myself.
By Tomasz Nurkiewicz. Java Champion, CTO, trainer, O'Reilly author, blogger
Kategorie:
Technologia
Technologia