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MySQL, PostgreSQLand RailsA polemic
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Pity the poor programmer
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Slaving away in the bit mines
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Just store mydata!
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Network effect
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Features
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PostgreSQL
MySQL
Features
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MySQL
Multiple table types
Clustering
..?
SQ
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PostgreSQL
Genetic Query Optimizer
ProceduralLanguages
Functional/Partial
Indexes
Oracle
Compatibility
Advanced Rules,Stored Procedures, Triggers
pgSQL (Oracle) Tcl Perl Python
Java PHP R Ruby
Scheme sh
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Speed
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http://tweakers.net/reviews/657/5/database-test-dual-intel-xeon-5160-pagina-5.html
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http://www.spec.org/jAppServer2004/results/jAppServer2004.html
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Licence
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From the MySQL website
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From the MySQL website
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http://www.kitebird.com/articles/ruby-mysql.html
Gues
swh
atlic
ense?
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The PostgreSQL license
PostgreSQL Data Base Management System
Portions Copyright (c) 1996-2008, PostgreSQL Global Development
Group Portions Copyright (c) 1994-1996
Regents of the University of California
Permission to use, copy, modify, and distribute this software
and its documentation for any purpose, withoutfee, and without a
written agreement is hereby granted, provided that the above
copyright notice and this
paragraph and the following two paragraphs appear in all
copies.
IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY
PARTY FOR DIRECT,
INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES,
INCLUDING LOST PROFITS,ARISING OUT OF THE USE OF THIS SOFTWARE AND
ITS DOCUMENTATION, EVEN IF THE
UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGE.
THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY
WARRANTIES, INCLUDING, BUT
NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS FOR APARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
ON AN "AS IS" BASIS, AND THE
UNIVERSITY OF CALIFORNIA HAS NO OBLIGATIONS TO PROVIDE
MAINTENANCE, SUPPORT,
UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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On clever
databases
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DHH
We took a pretty radical stand: Storedprocedures and all things
that make your
database clever are evil
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Application database
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Integration database
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Integration database
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Complex processes
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Recursive structures (etc)
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Smart databases & Rails Maintain with migrations
..?
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Fin
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Questions
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Postgres with Rails
![Airflow Documentation · MySQL operators and hook, support as an Airflow backend pass-word pip install airflow[password] Password Authentication for users postgres pip install airflow[postgres]](https://img.pdfslide.net/doc/110x75/5ff523def0f2ad29d07b25b5/airiow-documentation-mysql-operators-and-hook-support-as-an-airiow-backend.jpg)
