COALESCE(), ISNULL() , NULLIF() and alternatives in SQL Server, Oracle and PostgreSQL
In this article we look at the SQL functions COALESCE, ISNULL, NULLIF and do a comparison between SQL Server, Oracle and PostgreSQL.
2022-04-06
Data Platform
Choosing Snowflake vs SQL Server for a Data Warehouse
In this article we take a high level view of choosing to use Snowflake in the cloud versus SQL Server on-premises and some things to consider.
2022-03-28
Install SQL Server and Oracle using PowerShell and Windows Containers
In this article we look at how to install SQL Server and Oracle using PowerShell to create development environments using Windows Containers.
2022-01-28
Create, Populate, and Subset a Pandas Dataframe from a CSV File
In this article we demonstrate how to transfer data via a CSV file from a SQL Server database to a Pandas dataframe and then subset the dataframe in Python.
2021-09-03
SQL VIEW Comparison in SQL Server, Oracle and PostgreSQL
In this article we look at the similarities and differences for views in SQL Server, Oracle and PostgreSQL. We also look at indexed views, materialized views and updatable views.
2021-08-16
SQL Window Functions in SQL Server, Oracle and PostgreSQL
In this article we look at using Window Functions in SQL Server, Oracle and PostgreSQL to see the differences and similarities of the syntax.
2021-04-19
Delete SQL Statement in SQL Server, Oracle and PostgreSQL
Learn about the differences and similarities when deleting data from SQL Server, Oracle and PostgreSQL with the several examples in this article.
2021-03-16
SQL Update Statement with Join in SQL Server vs Oracle vs PostgreSQL
In this article we look at the different SQL syntax you need to use when updating data when joining tables for SQL Server, Oracle and PostgreSQL.
2021-01-29
Yes and No Questions Are Not So Simple
Joe Celko explains why questions requiring yes or no answers are more complicated than you might realize in both spoken language and computing.
2019-08-22
Blogs
Flyway Tips: AI Helps with Commit Messages
By Steve Jones
At Redgate, we’re experimenting with how AI can help developers and DBAs become better...
Startup scripts in SQL Server containers
I was messing around performing investigative work on a pod running SQL Server 2025...
Using SQL Compare with Redgate Data Modeler
By Steve Jones
Redgate recently released SQL Compare v16, which included a new feature to work with...
Forums
What is Page Density
Comments posted to this topic are about the item What is Page Density
T-SQL in SQL Server 2025: Fuzzy String Search II
Comments posted to this topic are about the item T-SQL in SQL Server 2025:...
Azure-SSIS, Self-Hosted Integration Runtime, & Data Gateway?
Looking to confirm my understanding of these three products and how they can be...
Question of the Day
What is Page Density
In SQL Server, there is a concept of page density. This is determined by how much data is stored on each page. What is a page density of 90%?
See possible answers