VECTOR_SEARCH returns the rows whose vectors sit closest to a vector you give it, and a vector index makes that search approximate and fast. This post builds a six-row test with hand-made numbers on SQL Server 2025, with no AI model, and lists the limits the test showed.
AI_GENERATE_CHUNKS in SQL Server 2025: Splitting Long Text Into Pieces
AI_GENERATE_CHUNKS cuts one long piece of text into smaller pieces inside a query. This post tests the preview function on SQL Server 2025, shows what its columns hold and how overlap works, and explains how chunk size changes the number of pieces.