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
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2024-07-05
Prevent Duplicate Records in SQL using Filtered Index
In this article, I share how an SQL Server filtered index solved the problem of preventing duplicates for new rows in a table.
2024-07-03
Concepts and Issues in Test Data Generation
Data generation is the science and art of providing data for database development work that is as realistic and controllable as possible. The skills of generating realistic data are an essential part of being a database developer. It is important: you need plenty of data of exactly the right type, size and verisimilitude
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Build Chatbot with Large Language Model (LLM) and Azure SQL Database
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Two Tweaks for Faster Backups with Ola Hallengren’s Scripts
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2024-06-26
Effective Strategies for Storing and Parsing XML in SQL Server
XML is a common storage format for data, metadata, parameters, or other semi-structured data. Because of this, it often finds its way into SQL Server databases and needs to be managed alongside other data types.
2024-06-24
Query Exercise: Beat ChatGPT at Finding Good Question Times
What are the best days of the week and times of the day to post a question at StackOverflow.com?
2024-06-21
SQL Server TRY CATCH, RAISERROR and THROW for Error Handling
Learn about SQL Server error handling using TRY CATCH, RAISERROR, and THROW for stored procedures, triggers, and user-defined functions.
2024-06-19
The CHECK() Constraint
One of the many ways a relational table differs from the file structures used by pre-relational storage systems is that the tables, rows and columns can have constraints on them. This allows you to reduce the types of bad data that can be loaded into your tables.
2024-06-17
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Make It Routine
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Finding Gaps in Sequential Data Using SQL Server
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Negative and Positive Numbers
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Question of the Day
Negative and Positive Numbers
If I want to know whether a number of negative, positive, or zero, what is the easiest way to get this in T-SQL?
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