2025-05-26
419 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
599 reads
2023-02-06 (first published: 2023-02-03)
507 reads
2023-02-06 (first published: 2023-01-23)
730 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
1,301 reads
2016-09-26
1,432 reads
2016-02-17
1,688 reads
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Forums
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The New Database CheckDB
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MySQL’s BLACKHOLE Storage Engine: The Odd Feature I Wish SQL Server Shipped With
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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