Relational vs. Non-Relational Databases

In this video, Aisha Syed compares relational and non-relational databases and explains the strengths and weaknesses of each.

#database #Db2 #DBaaS #informix

[UmamaheswararaoPotula]

it feels very comfortable with pace of explanation that she provides, really easy to understand.

[marcinbadtke]

Thank you.

In relational model data is structured as tables. NOT stored in tables. Table is logical entity. Data is kept in heap.

[rojaachan]

This was such a great explanation. Thank you so much for the insight!

[doraneko]

she explained the concepts really well. Really easy to understand. Thanks a lot :D

[sriranjitharaghuraman]

It was really hard to see from your example why relational DBs are consistent or secure and why no-sql DBs were cost effective or scalable. Everything was a bit vague and unclear. :(

[philippeko-IBM]

Hi Aisha, I would have loved seeing the simple exemple Customer-Order explained with non-relational databases. Thanks for this consideration. -Philippe

[dilpreets]

in your example, you said John Doe (customer ID 1) made the first 2 order however in the second table the second order (order ID 2) was made by Customer ID 2 which is Jame smith. please clarify.

[LoneLeagle]

I put GRAPH databases in the relational category because relationships are first class citizens in graph & the biggest strength of GRAPH is the ability to create complex relational that go levels deep with ease. I'd say the hardest part about learning software development is choosing which tech stack to learn & use.

[VeraxMusic]

I continue to be amazed at the educational material on this channel. I don't know why, but it just seems unexpected and almost arbitrary. It's like if I happened to randomly come to find that, say, Uber had some Youtube channel that provided world class content about the infrastructure of roads, or something. I guess I shouldn't be that surprised, as that's what they specialize in, but was not expecting it to be at this level, and taught so well. Anyway, this channel is great.

[asemic]

5:28 i love how "value" is witted to combine the stick on the a and l characters :P

[DrCroc]

Relation in relational database doesn't stand for relation between tables. Relation means "table" in this context. It's database with tables. Scaling horizontally means we can scale out WITH more resources, not without.

[olamy]

Great job! Broken down so simply. She will make a great professor

[moestaxx]

she did a great job explaining these concepts. thank you very much!

[kaos]

How do you scale horizontally without adding more resources? Would love to know.

[johanliebert]

No, you thanks you for giving me this lesson thank you so much
Aesha Sayed

[dushyantchaudhry]

7:01 how can you scale out without adding resources? horizontal scaling would mean adding more servers instead of adding compute to the same server (vertical scaling)

[patrykwrobel]

Great videos also great communication skills from Aisha

[darkpink_electronics]

thanks IBM, that was helpful. but, which one should i use?

[DianaAdamczyk]

Thank you, this was very clearly explained!

[andrewswift]

Every time she would start writing MIRRORED I would get distracted. What a talent XD