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PostgreSQL

207 posts

PostgreSQL

PostgreSQL Data Types: ENUM

Continuing our series of PostgreSQL Data Types today we’re going to introduce the PostgreSQL ENUM type. This data type has been added to PostgreSQL in order to make …

May 2, 2018 ·3 min read ·#PostgreSQL #YeSQL #Data Types #ENUM

PostgreSQL

PostgreSQL Data Types: JSON

Continuing our series of PostgreSQL Data Types today we’re going to introduce the PostgreSQL JSON type. PostgreSQL has built-in support for JSON with a great range …

Apr 30, 2018 ·5 min read ·#PostgreSQL #YeSQL #Data Types #JSON

PostgreSQL

PostgreSQL Data Types: XML

Continuing our series of PostgreSQL Data Types today we’re going to introduce the PostgreSQL XML type. The SQL standard includes a SQL/XML which introduces the …

Apr 23, 2018 ·2 min read ·#PostgreSQL #YeSQL #Data Types #XML

PostgreSQL

PostgreSQL Data Types: Arrays

Continuing our series of PostgreSQL Data Types today we’re going to introduce the PostgreSQL array data types. Arrays can be used to denormalize data and avoid …

Apr 20, 2018 ·7 min read ·#PostgreSQL #YeSQL #Data Types #Arrays

PostgreSQL

PostgreSQL Data Types: Ranges

Continuing our series of PostgreSQL Data Types today we’re going to introduce the PostgreSQL ranges data type. Range types are a unique feature of PostgreSQL, …

Apr 18, 2018 ·5 min read ·#PostgreSQL #YeSQL #Data Types #Ranges

PostgreSQL

PostgreSQL Data Types: Network Addresses

Continuing our series of PostgreSQL Data Types today we’re going to introduce network address types. PostgreSQL includes support for both cidr, inet, and macaddr …

Apr 16, 2018 ·4 min read ·#PostgreSQL #YeSQL #Data Types #Network Address

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 …

Apr 13, 2018 ·8 min read ·#PostgreSQL #YeSQL #Data Types #Date

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 …

Apr 11, 2018 ·7 min read ·#PostgreSQL #YeSQL #Data Types #Text

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 …

Apr 9, 2018 ·4 min read ·#PostgreSQL #YeSQL #Data Types #Text

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 …

Apr 6, 2018 ·8 min read ·#PostgreSQL #YeSQL #Data Types #Boolean

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) …

Mar 22, 2018 ·8 min read ·#PostgreSQL #YeSQL #Object Oriented Programming #Object Relational

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 …

Mar 9, 2018 ·6 min read ·#PostgreSQL #YeSQL #Modelisation #Primary Keys