A Tea Time chat at our India office turned into a debate on Quality Assurance vs Quality Control. Here is a simple way to tell QA and QC apart.
SQL SERVER – ACID (Atomicity, Consistency, Isolation, Durability)
ACID stands for Atomicity, Consistency, Isolation and Durability, the four properties every reliable database needs. Each one explained in a line or two.
SQL SERVER – Generic Architecture Image
A Generic Architecture image of SQL Server I found on Wikipedia, with a short note on physical storage in MDF and LDF files and how data is grouped logically.
SQL SERVER – Q and A with Database Administrators
My Q and A with Database Administrators from interviews in India: the technical questions we discussed and my opinion on each, with a link to the full article.
SQL SERVER – Database Coding Standards and Guidelines Part 2
Database Coding Standards and Guidelines Part 2: skip SELECT *, use SET NOCOUNT ON, prefer CTEs over temp tables, avoid cursors, and more query tips.
SQL SERVER – Database Coding Standards and Guidelines Part 1
Database Coding Standards and Guidelines Part 1: naming rules for tables, stored procedures, triggers, indexes, primary keys and foreign keys.
SQL Server Interview Questions and Answers Part 3
Interview Questions and Answers Part 3 opens with NOLOCK: how the hint skips read locks, why that means dirty reads, and what it does for concurrency.