Learn to read stored procedure code by tracing inputs, writes, transactions, errors, and dependencies before trying to understand every line.
Interview Questions That Actually Reveal SQL Skill
Use SQL Server interview questions that reveal reasoning about joins, NULLs, performance, and recovery instead of rewarding memorised trivia.
CODEPAGE 65001: Importing UTF-8 Text Files Without Garbled Accents
Your import turned Élodie into odd symbols. Here is how CODEPAGE 65001 fixes the reading, and why the column type still matters.
Relational, Document, Graph and Vector: Choosing the Right Data Model
Choosing the Right Data Model means matching the shape of your data to the questions you ask. This post stores one bookshop four ways in SQL Server 2025, with relational tables, JSON documents, graph tables and a vector column, and runs the question each one answers best. It ends with a rule for choosing.
Why SQL Server Has No Result Cache: Buffer Pool and Plan Cache
A second run is faster, but SQL Server did not remember your answer. A tiny demo shows what really gets reused: pages and plans.
SQL SERVER – Fundamentals of Columnstore Index
Row store vs column store, explained simply. A Columnstore Index can make searches much faster, but it is not for every table. Learn where each one fits.
Searching Every Error Log for Slow I/O Warnings
The warning you need may be in an archived log. Here is a short loop that searches every retained error log and tells you which ones it could not read.