What's the importance of DataBaseManagementSystems in IT field ?
MIT 6.00 Intro Computer Science (OCW)
Stacey Warren - Expert brainly.com
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A database management system provides a safe, performant, and consistent way to store data and search for data by different parameters.
For example, let's say I wanted to store a document about a user - their name, address, maybe a list of friends. I *could* use the file system, and just create a file called "sally.info" or some such
but then what happens if I want to find a user not just named sally, but a user that lives in Hawaii?
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I can't do that without parsing each and every user file I've stored, and look for an address in hawaii
So dbms provides a way to store data, and a standard way to retrieve the data that you're concerned with based on different parameters.
it's a lot deeper than that - usually they're more durable, they provide things like backup, locking (e.g. if two people want to modify the same user file at the same time - who gets to do it?), scalability, etc..
But the entire point is, they take care of all of the details of storing and looking up data in many different ways that make it easier to write your programs