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The first PostSQL database?
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Jacob Kaplan-Moss
September 18, 2012
Technology
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The first PostSQL database?
My keynote given at PostgresOpen 2012.
Jacob Kaplan-Moss
September 18, 2012
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Transcript
The first Post-SQL database? Jacob Kaplan-Moss jacob@jacobian.org
“So… I have this conference… What I'm interested in is
a talk about why Django chose to specifically recommend PostgreSQL.”
None
None
None
L A M P
Linux Apache MySQL Perl
Linux Apache PostgreSQL Python
Linux Apache PostgreSQL Python RabbitMQ
Linux Apache PostgreSQL Python RabbitMQ Elastic Search
Linux Apache PostgreSQL Python RabbitMQ Elastic Search Redis
Linux Apache PostgreSQL Python RabbitMQ Elastic Search Redis MongoDB
L A P P R E R M ? M
A P P L E R R ?
“Modern web stack”
“If the implementation’s hard to explain, it’s a bad idea.”
— The Zen of Python
Relational database: Task queue: RabbitMQ Search Engine: Elastic Search Key-Value
database: Redis Document database: MongoDB
Relational database: Task queue: Search Engine: Elastic Search Key-Value database:
Redis Document database: MongoDB
Relational database: Task queue: Search Engine: Key-Value database: Redis Document
database: MongoDB
Relational database: Task queue: Search Engine: Key-Value database: Document database:
MongoDB
Relational database: Task queue: Search Engine: Key-Value database: Document database:
None
One database to rule them all, One database to find
them, One database to bring them all, And in the Cloud to bind them.
None
ˑ “PostSQL”
Post-
Postmodernism
Postmodernism: “The thing that comes after Modernism.”
Postmodernism: “We can never be pre-modern again.”
Post-
What do relational databases get right?
What do relational databases get right? ✓ Ad-hoc queries.
What do relational databases get right? ✓ Ad-hoc queries. ✓
Unified, standard* query language.
What do relational databases get right? ✓ Ad-hoc queries. ✓
Unified, standard* query language. ✓ A great and powerful respect for data.
What do NoSQL databases get right?
What do NoSQL databases get right? ✓ Ease of on-boarding.
What do NoSQL databases get right? ✓ Ease of on-boarding.
✓ Schemaless data storage.
“Static typing prevents certain kinds of failures. Unfortunately, it also
prevents certain kinds of successes.” — Ned Batchelder
“Schemas prevent certain kinds of failures. Unfortunately, they also prevent
certain kinds of successes.” — Me
What do NoSQL databases get right?
What do NoSQL databases get right? ✓ Ease of on-boarding.
✓ Schemaless data storage.
What do NoSQL databases get right? ✓ Ease of on-boarding.
✓ Schemaless data storage. ✓ Easy horizontal scaling.
redis> slaveof 1.2.3.4
Relational Non-relational ✓ Ad-hoc queries. ✓ SQL ✓ Respect for
data. ✓ Ease of on-boarding. ✓ Schemaless data storage. ✓ Easy horizontal scaling.
PostSQL ✓ Ad-hoc queries. ✓ SQL ✓ Respect for data.
✓ Ease of on-boarding. ✓ Schemaless data storage. ✓ Easy horizontal scaling.
None
$ ./postsql
$ ./postsql postsql@node1> INSERT INTO cities (name, state)
VALUES ("Chicago", "IL");
$ ./postsql postsql@node1> INSERT INTO cities (name, state)
VALUES ("Chicago", "IL"); postsql@node2> SLAVEOF node1;
PostgreSQL ➡ PostSQL? ➡ Easier installation and configuration. ➡ More
support for schemaless operation. ➡ Easier replication and scaling.
PostgreSQL: The first PostSQL database. Jacob Kaplan-Moss jacob@jacobian.org