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NoSQL Controversy

Getting a discussion started at the ViennaDB meetup (April 2013)
by Philipp Krenn on 15 April 2014

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Transcript of NoSQL Controversy

NoSQL
Controversy
...and discussion
http://geekandpoke.typepad.com/geekandpoke/2011/01/nosql.html
http://dilbert.com/strips/comic/1995-11-09/
Database development:
30 years of standstill
Big database vendors and DBAs ruled
People forgot how to build databases (cf. prohibition in the USA, http://blog.8thlight.com/uncle-bob/2012/05/15/NODB.html)
History repeates itself:
"[Teradata]'s very similar to the Tandem story: it's a sort of one-trick pony. It doesn't have referential integrity; it doesn't have all the fanciness. You give it SQL; it gives you back the answers, very fast, and presumably cheaply, because it's running on Intel processors and on commodity disks." http://www.mcjones.org/System_R/SQL_Reunion_95
Ted Neward (2004): "Object-Relational mapping is the Vietnam of our industry"
https://twitter.com/DEVOPS_BORAT
http://crudcomic.com/image/9606986184
Schema changes get easier
-
At least at first

Schemaless development is great
Schemaless ops are a nightmare
Polyglott persistence is great
-
If you can handle it
"Nobody gets fired for choosing IBM"
http://xkcd.com/327/
RDBMS: What answers do I have?
NoSQL: What questions do I have?
You don't always need multi-document transactions,
eg. MongoDB:
Different structure (embedded documents, arrays)
Upserts
Add entity or do cleanup -> try-catch on unique attribute
http://geekandpoke.typepad.com/geekandpoke/2011/12/the-hard-life-of-a-nosql-coder.html
Application- vs data-view,
who is the gatekeeper?
http://crudcomic.com/image/10538412809
"KnowSQL is the new NoSQL"
Philipp
http://browsertoolkit.com/fault-tolerance.png
See the full transcript