A new SQL Server 2025 feature lets organizations run vector-based semantic searches on their own data, connecting to local or cloud-hosted AI models without relying on massive general-purpose LLMs.

This article will systematically outline the differences in VARCHAR between SQL Server and PostgreSQL, analyzing the underlying logic and usage scenarios for the 'N' prefix. Differences in VARCHAR ...

This article will use SQL Server and PostgreSQL as examples to delve into the differences in their VARCHAR implementations and explain the usage rules of the 'N' prefix. Differences between VARCHAR in ...