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
A Conversation That Refused to End: What We Learned from Our First Event in Zurich
On May 8, 2025, we hosted our first official event in Switzerland at Prime...
A DevOps Workshop Tomorrow in Atlanta
By Steve Jones
Tomorrow is the Redgate DevOps Day in Atlanta. You can still sign up, so...
Stop Wasting Time Rebuilding Indexes Every Night
By Kevin3NF
Too many IT teams run index rebuild jobs on autopilot. Every night. Every index....
Forums
Question on SQL Query with NOT condition
I have a record, in those the three columns where firstname / last name...
Execution Plan Operators
Comments posted to this topic are about the item Execution Plan Operators
Merge spans with Dates Logic
--for a given member if the startdate and endate is continous we need to...
Question of the Day
Execution Plan Operators
When looking at an execution plan in SSMS, what types of operators are shown?
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