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PostgreSQL performance: How the optimizer handles views

PostgreSQL · view · sql

February 19, 2018 at 3:18:13 PM GMT+1 * · permalink

https://www.cybertec-postgresql.com/en/postgresql-performance-how-the-optimizer-handles-views/

Performance issues with ORed conditions | The Rhodium Toad

PostgreSQL · optimizer · SQL · Join · Performance

February 18, 2018 at 11:05:20 AM GMT+1 * · permalink

http://blog.rhodiumtoad.org.uk/2017/01/22/performance-issues-with-ored-conditions/

Jointures complexes, opérateurs ensemblistes

PostgreSQL · SQL · Join · CTE

February 17, 2018 at 10:26:13 AM GMT+1 * · permalink

http://pgphil.ovh/join_or_union_10_01.php

select * from depesz; » Blog Archive » Waiting for PostgreSQL 11 – Support all SQL:2011 options for window frame clauses.

PostgreSQL · Window_function · SQL

February 13, 2018 at 3:32:34 PM GMT+1 * · permalink

https://www.depesz.com/2018/02/13/waiting-for-postgresql-11-support-all-sql2011-options-for-window-frame-clauses/

Advanced SQL window function quiz

Window_function · SQL · PostgreSQL

February 8, 2018 at 10:03:28 AM GMT+1 * · permalink

http://www.windowfunctions.com/

Find the number of the longest continuously rising days for a stock

PostgreSQL · CTE · Window_function · Lateral · SQL

February 7, 2018 at 3:47:42 PM GMT+1 * · permalink

http://tapoueh.org/blog/2018/02/find-the-number-of-the-longest-continuously-rising-days-for-a-stock/

PostgreSQL notes: Use lateral joins to run loops in a single query

PostgreSQL · SQL · Lateral

February 5, 2018 at 9:50:38 AM GMT+1 * · permalink

https://tech.npras.in/postgres-lateral-join/

Exporting a Hierarchy in JSON: with recursive queries

PostgreSQL · SQL · CTE · RECURSIVE

February 1, 2018 at 8:46:53 AM GMT+1 * · permalink

http://tapoueh.org/blog/2018/01/exporting-a-hierarchy-in-json-with-recursive-queries/

Degree of Duplication - Simple Talk

SQL

January 25, 2018 at 6:07:58 PM GMT+1 * · permalink

https://www.red-gate.com/simple-talk/opinion/opinion-pieces/degree-of-duplication/

CMU 15-445/645 :: Intro to Database Systems (Fall 2017)

CMU · SQL

January 15, 2018 at 12:13:47 AM GMT+1 * · permalink

http://15445.courses.cs.cmu.edu/fall2017/

CMU 15-721 :: Advanced Database Systems (Spring 2017)

SQL · CMU

January 14, 2018 at 11:38:52 PM GMT+1 * · permalink

http://15721.courses.cs.cmu.edu/spring2017/

Some little known PostgreSQL/PostGIS tips & tricks - Intronautics 101

PostgreSQL · Postgis · Tricks · SQL · Performance

January 8, 2018 at 8:22:52 PM GMT+1 * · permalink

https://abelvm.github.io/sql/sql-tricks/

SQL Keys in Depth

SQL · PostgreSQL

January 8, 2018 at 8:21:13 PM GMT+1 * · permalink

https://begriffs.com/posts/2018-01-01-sql-keys-in-depth.html

Validation, Verification, and Modification - Simple Talk

SQL

December 28, 2017 at 10:00:13 PM GMT+1 * · permalink

https://www.red-gate.com/simple-talk/sql/sql-development/validation-verification-modification/

Large objects ou bytea: les différences de verrouillage

PostgreSQL · bytea · SQL

December 27, 2017 at 4:31:26 PM GMT+1 * · permalink

http://blog-postgresql.verite.pro/2017/12/27/large-objects-bytea-verrous.html

PostgreSQL: How to speed up GROUP BY and joins

PostgreSQL · optimizer · Join · SQL · Aggregate

December 27, 2017 at 1:43:12 PM GMT+1 * · permalink

https://www.cybertec-postgresql.com/en/postgresql-speeding-up-group-by-and-joins/

Indexing with Postgres: When Less is More – PlanGrid Technology – Medium

PostgreSQL · SQL

December 16, 2017 at 1:04:14 PM GMT+1 * · permalink

https://medium.com/plangrid-technology/indexing-with-postgres-when-less-is-more-7337d6f09048

Trying to Represent a Tree Structure Using Postgres - Pat Shaughnessy

PostgreSQL · SQL · tree · LTREE · GiST

December 12, 2017 at 3:55:31 PM GMT+1 * · permalink

http://patshaughnessy.net/2017/12/11/trying-to-represent-a-tree-structure-using-postgres

Adding a NOT NULL CONSTRAINT on PG Faster with Minimal Locking

PostgreSQL · SQL · constraint

December 4, 2017 at 10:14:59 PM GMT+1 * · permalink

https://medium.com/doctolib-engineering/adding-a-not-null-constraint-on-pg-faster-with-minimal-locking-38b2c00c4d1c

Simple Data Modeling with a Test Data Set

SQL · PostgreSQL

November 30, 2017 at 9:45:50 AM GMT+1 * · permalink

http://tapoueh.org/blog/2017/11/simple-data-modeling-with-a-test-data-set/