PostgreSQL
PostgreSQL Data Types: Date and Time Processing
Continuing our series of PostgreSQL Data Types today we’re going to introduce date and time based processing functions. Once the application’s data, or rather …
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YeSQL
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PostgreSQL
PostgreSQL Data Types: Text Processing
Continuing our series of PostgreSQL Data Types today we’re going to introduce some of the PostgreSQL text processing functions. There’s a very rich set of …
PostgreSQL
PostgreSQL Data Types: Text Encoding
Continuing our series of PostgreSQL Data Types today we’re going to introduce the PostgreSQL text data type. The first notion to understand when processing text in …
PostgreSQL
PostgreSQL Data Types: an intro
Today, we’re going to begin a dive into the PostgreSQL Data Types. As my colleague Will Leinweber said recently in his talk Constraints: a Developer’s Secret …
PostgreSQL
Object Relational Database Management System
PostgreSQL is the world’s most advanced open source database, and per the PostgreSQL Wikipedia page it is an object-relational database management system (ORDBMS) …
PostgreSQL
Database Normalization and Primary Keys
In our previous article we saw three classic Database Modelization Anti-Patterns. The article also contains a reference to a Primary Key section of my book The Art of …
PostgreSQL
Database Modelization Anti-Patterns
Next week we see two awesome PostgreSQL conferences in Europe, back to back, with a day in between just so that people may attend both! In chronological order we have …
PostgreSQL
Find the number of the longest continuously rising days for a stock
Today I want to react to an article that claims that Relational Algebra Is the Root of SQL Problems in which the author hand-waves the following position: SQL becomes …
PostgreSQL
Exporting a Hierarchy in JSON: with recursive queries
In another article here, entitled on JSON and SQL, we saw in great details how to import a data set only available as a giant JSON file. Then we normalized the data set, …
PostgreSQL
A Year in Review: Most Read Articles in 2017
It seems to be usual nowadays to review the previous year, and readers apparently like Top-N Lists — that’s you now, so let’s hope that my understanding works …
PostgreSQL
Setting up psql, the PostgreSQL CLI
PostgreSQL ships with an interactive console with the command line tool named psql. It can be used both for scripting and interactive usage and is moreover quite a …
PostgreSQL
Mastering PostgreSQL: a reader's interview
Florent Fourcot has read Mastering PostgreSQL in Application Development and has seen tremendous inprovements in his production setup from reading the first chapters and …