Scripts

Technical Article

Free T-SQL Script: Database Schema Documentation Generator for Generative AI Services Integration

This script automatically generates comprehensive schema documentation that can be easily consumed by AI services for natural language querying, automated report generation, and intelligent data analysis.

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2025-09-03 (first published: )

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Technical Article

T-SQL Table Valued Function to compare Semantic Versions

Semantic versioning (SemVer) is a standardized system for labeling software releases using a three-part number—major, minor, and patch—optionally followed by pre-release labels and build metadata. Comparing semantic versions is complex because it requires handling both numeric and string components, as well as special precedence rules for pre-releases and stable versions. SQL Server’s hierarchyid data type is ideally suited for comparing the numeric parts of semantic versions, enabling efficient and accurate ordering without the pitfalls of string comparison or manual parsing.

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2025-05-27

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Question of the Day

Switching Schemas I

I run this query:

SELECT 
 s.name AS schemaname
 , o.name AS objectname
 FROM sys.objects o
 INNER JOIN sys.schemas s ON s.schema_id = o.schema_id
 WHERE o.name = 'Beer'
I get one row back for an object named dbo.beer. There is an ETL schema and both of these are nonpartitioned tables. I run this code:
ALTER TABLE dbo.beer switch TO etl.beer
What happens?

See possible answers