2025-05-26
420 reads
NULL
What does SQL NULL mean and how to handle NULL values
This tip will help you understand what NULL means and different ways to handle NULL values when working with SQL Server data.
2024-07-08
Working with NULL Values in SQL
In SQL and relational databases, NULL values are an important part of managing data and information stored in SQL tables. A NULL value is used as a placeholder for missing values or values that are unknown in a database column or cell.
2023-09-11
2023-02-17
602 reads
2023-02-06 (first published: 2023-02-03)
512 reads
2023-02-06 (first published: 2023-01-23)
739 reads
Missing Data
Missing data is a difficult and common problem to solve. In this article, Joe Celko explains several approaches to deleting or replacing missing data.
2018-07-04
2,461 reads
2017-09-11
1,310 reads
2016-09-26
1,437 reads
2016-02-17
1,692 reads
Blogs
Git forked
Forgive me for the title. Mentally I’m 12. When I started my current day...
Setting FK Constraints in Data Modeler
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One of the things a customer asked recently about Redgate Data Modeler was how...
Webinar: Navigating the Database Landscape in 2026
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Forums
Purpose of the Rice Purity Test
The main purpose of the Rice Purity Test is entertainment and self reflection. Many...
Expanding into Print
Comments posted to this topic are about the item Expanding into Print
Downtime Caused by the Postgres Transaction ID Wraparound Problem
Comments posted to this topic are about the item Downtime Caused by the Postgres...
Question of the Day
The String Distance I
In SQL Server 2025, what is returned by this code:
SELECT EDIT_DISTANCE('Steve', 'Stan')
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