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
SQL Server is Slow, part 3 of 4
By Kevin3NF
In parts 1 and 2 of this series, we’ve gathered info and done the...
AI Model Size, Parameters and Download
By Steve Jones
At SQL Saturday Boston 2025, I gave a presentation on local LLMs and there...
Expanding Your DBA Horizons: Installing PostgreSQL in a Home Lab
By gbargsley
Are you diversifying your DBA skillset? My recent job search made one thing clear:...
Forums
caught off guard by some greek lettering in a warehouse feed
Hi we run 2019 standard. Our warehouse's ssis based etl is klunky but so...
Unlocking High-Concurrency Inserts in SQL Server with OPTIMIZE_FOR_SEQUENTIAL_KEY
Comments posted to this topic are about the item Unlocking High-Concurrency Inserts in SQL...
Vector Datatype
Comments posted to this topic are about the item Vector Datatype
Question of the Day
Vector Datatype
The new Vector datatype in SQL Server 2025 is a binary type that has a few parameters. What parameters are required?
See possible answers