Tag: AWS Redshift
AWS Redshift Blog Post Archives: Tips and SQL Scripts to help manage a good Redshift Cluster, published by a Microsoft SQL Server Database Admin.
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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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Redshift JDBC Driver Download
Need to download the Redshift JDBC client driver? Here’s how you can do it quickly:> From the AWS Redshift Console: Navigate to the Configure tab and download the JDBC driver.> Download From AWS Docs: Download the JDBC driver directly from the AWS Documentation. I’m sharing this quick guide…
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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 New User in Redshift and Promoting to Superuser
This article provides a step-by-step demo for creating a new User in Redshift and promoting it to a Superuser. I’ll include useful tips, best practices, and links to AWS Docs to help streamline the process. In Amazon Redshift, a Superuser has the highest level of permissions, equivalent to…
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Drop Users in RedShift
Dropping users in Amazon Redshift is a simple task, but sometimes you may encounter an error message if the user you are trying to drop is an owner of an object in the database, such as a schema, table, or view. When this happens, you will see one…
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How to Create a Test AWS RedShift Cluster
This guide walks you through the process of creating an AWS RedShift Cluster in a personal test environment. Warning: If you’re testing AWS RedShift, be mindful of billing. Even when paused, storage charges still apply. To avoid unnecessary costs, I recommend deleting the cluster once you’re finished using…
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