SQL NULL Pitfalls: Why NOT IN Returns Zero Results and 3 Points Where MySQL and Oracle Behaviors Diverge

Introduction"I want to list customers who haven't ordered, but I get zero results," or "The count doesn't match when I ...

Table creation errors during FiveM startup and consolidating responsibility for creation

I have been playing FiveM for 5 years, and now I build and operate a server with 100 concurrent players. In this article, I will write about an issue where multiple resources attempted to create the ...
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Lesson 1: Create and query database objects

This lesson shows you how to create a database, create a table in the database, and then access and change the data in the table. Because this lesson is an introduction to using Transact-SQL, it doesn ...
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Create a database schema

To create a schema, you must have CREATE SCHEMA permission on the database. To specify another user as the owner of the schema being created, the caller must have IMPERSONATE permission on that user.
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Chunking Strategies for Structured Data in RAG Systems (Part 2): Where Text-to-SQL Falls Short

This is Part 2 of a three-part series. Part 1 covered how to chunk structured data so a retriever can find it. This article covers the first query pattern, i.e., RAG-based Text-to-SQL. We discuss what ...