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
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I get asked a lot about why or how I began working with databases...
Monday Monitor Tips: ServiceNow Integration
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Earlier this year I visited a customer that was using the Redgate Monitor webhook...
Inspecting TSQL Abstract Syntax Trees
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TSQL ScriptDOM is a useful library for parsing scripts into an abstract syntax tree....
Forums
How Do I Choose a Good Ophthalmologist in Dubai for Eye Checkups?
Choosing the right Ophthalmologist in Dubai starts with checking credentials, experience with children, and...
SQL Server 2025 Unveiled: The AI-Ready Enterprise Database with Microsoft Fabric Integration
Comments posted to this topic are about the item SQL Server 2025 Unveiled: The...
Cannot get KB959420
Hi, we lost our sever sql2000 To restore database to a new one we...
Question of the Day
The New Database CheckDB
I run this code:
create database experiment
go
use Experiment
go
select DATABASEPROPERTYEX('Experiment', 'LastGoodCheckDbTime')
What is returned? See possible answers