Very useful video, as usual. Unsurprisingly, Isolation is the most poorly understood part of ACID by a large margin. Many DB’s use “Read Committed” as their default isolation level and this can cause confusing errors in the face of long running transactions. Especially if the transaction durations are being influenced by performance. “Why do I have this failure only when the DB is under very heavy load?” It can be tough to reproduce.
Hello. Thank you for always posting good content videos. Is PowerPoint the tool you use to present? I wonder how you present in an animation. I'm a person who wants to have the ability to explain visually like you. Thank you.
It is the other away around, atom means indivisible in ancient greek. So the word atom IS indivisible. That the physical atom is divisible is the problem.
You beautifully summarized it at the end. Thank you.
Just found this channel. Excellent presentation!!
Very useful video, as usual. Unsurprisingly, Isolation is the most poorly understood part of ACID by a large margin. Many DB’s use “Read Committed” as their default isolation level and this can cause confusing errors in the face of long running transactions. Especially if the transaction durations are being influenced by performance. “Why do I have this failure only when the DB is under very heavy load?” It can be tough to reproduce.
Acid is definitely a must, once each quarter or so
Amazingly simple explanation, thank you!
Very simple and useful explanation. And that summary in the end really nailed it. Thank you.
Finally Im clear about ACID
Consistency (rules) on RDBMS is different from Consistency (replication) on NoSQL
No, that's a difference between ACID and CAP.
I wish more resources emphasize on this point
Consistency was added only to make Acid acronym. "Designing data intensive applications"
At least it's not AIDS
How do they make such a beautiful presentation?
Amazing, God bless you man
wonderful explanation
What software you use for your diagrams? Its amazing
Amaaaaaaazing!
Amazing video
Beautifully explained 🤌
Hello. Thank you for always posting good content videos. Is PowerPoint the tool you use to present? I wonder how you present in an animation.
I'm a person who wants to have the ability to explain visually like you.
Thank you.
Thanks
Excellent examples and explanation! 🫡
Nice content ❤
What tool used for the animations
Bank accounts can't go negative? My bank account during uni would disagree 😂
😂😂😂
A snapshot of the data doesn't include the new row, so why non-repeatable (backed on snapshot) reads still sees fantom data?
Hi,
May I know what application or program do you use for creating the UA-cam animated contents.
Thank you.
What's the default isolation level for RDBMS?
It depends. In postgresql it is read committed,in mysql is repeatable reads
@@kafychannel What's the difference between the two configs?
@@DK-ox7ze please rewatch the video to understand the difference. in short the difference is highlighted at 3:57
ACID is the property for database transaction - roll back, not partial changes -
0:30, "transaction management systems often use loCKing mechanism", looks like there should lock icon on slide instead of log
I think he means logging, not too sure but you can check this out: en.wikipedia.org/wiki/Write-ahead_logging
@@akhilmn4013 makes sense, thank you!
What software are you using for the diagrams & animations ???
Illustrator & After Effects are the go-to option.
@@ByteBite101, thank you. Before, I thought that After Effects was for movies only.
Sahn lam & Alex xu
Atom IS dividible for god sake
It is the other away around, atom means indivisible in ancient greek.
So the word atom IS indivisible. That the physical atom is divisible is the problem.
(And now I imagine a world where the atom is just called tom)
“The” atom is divisible.
The concept behind the term is not: looks like physicists were too hasty about this…😊
When SQL was invented, scientists didn’t know that atoms are further divisible. SQL is that old.
😲🤯
who is here for the AZ900 :)
Wish you hired an Indian speaker for your videos! I can't understand you without following subtitles!
what's up with the thumbnail tho? expected a more professional look (I'm talking about the "really mean")
Seriously your pronunciation is hard to catch.
His pronunciation is fine. But please help him with production.
learn indian accent