Tag: Postgres
Postgres Blog Post Archives: Tips and SQL Scripts to help with Postgres, written by a Microsoft SQL Server DBA (cross-over posts).
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Why Use WHERE 1=2 in SQL
In a previous blog post, I explained why WHERE 1=1 is often used in SQL queries. This time, let’s discuss WHERE 1=2 — or any condition that results in a FALSE value, such as WHERE 1=9. Essentially, the point is to use a condition that is guaranteed to…
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How to Install Postgres on Ubuntu 20.04
This post is a short note on how to install Postgres on Ubuntu 20.04. I’m doing this in WSL, however this shouldn’t make any difference if you’re on the same Ubuntu version. First, lets update our local packages by running the following apt command – This Postgres installation…
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List all Tables & Columns in Redshift or Postgres
If you need to list all tables and columns in Redshift or Postgres, this guide provides a SQL script to retrieve schema details across all databases. Redshift is based on (forked from) PostgreSQL, meaning many core SQL commands work similarly in both. However, Redshift introduces key differences, such…
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Creating a Linked Server for a PostgreSQL Database
This is a post on how to create a Linked Server to a PostgreSQL database. In my previous post, I created a Linked Server to another SQL Server instance. This time, it’s a link to a Postgres database. I recommend checking out my other post for pre-requisite information…
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Reset Default PostgreSQL User Password
A common scenario working with Postgres is when you have forgotten your default Postgres user password. This is the password you will have entered during your Postgres installation. This is a guide on how to reset the default Postgres user password. This should hopefully help you resolve this…
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How To Install PostgreSQL on Windows
PostgreSQL is a free open-source RDMS that is widely used and forked. Other than PostgreSQL itself, Redshift is the only other forked database I’ve ever touched. This blog post is a very simple wizard run-through of installing PostgreSQL and Stack Builder on Windows for testing. # Install PostgreSQL…
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