2025-05-26
426 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)
521 reads
2023-02-06 (first published: 2023-01-23)
747 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
1,313 reads
2016-09-26
1,438 reads
2016-02-17
1,693 reads
Blogs
T-SQL Tuesday #199 Invitation: Back to on-prem?
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Forums
Secure Cached Plans
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Complex Data Processing with dbt Python Models: The Fabric Modern Data Platform
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Over or Under Provisioned
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Question of the Day
Secure Cached Plans
The DMV, sys.dm_exec_cached_plans, contains rows for each cached plan on an instance. In Azure SQL Database, not every used has rights to every database, as there does exist an instance behind each database. How is security handled for this DMV in Azure?
See possible answers