I’ve created this overview of basic SQL syntax for the interested developer and anyone who could benefit from a cheat sheet. I’ll focus on basic data manipulation queries and follow up with future ...

Learn how to master the SELECT statement to form truly useful data queries. This article explains functions, clauses, and keywords that will make your life a lot easier. Due to popular demand, we’re ...

As the world becomes more data-driven, SQL is increasingly moving from a "nice to have" skill to a first class requirement for disciplines like Data Science, Machine Learning and Business Intelligence ...

Shelley Doll finishes her coverage of SQL data types with an overview of datetime and interval data types. Learn more about the basic syntax of these standard SQL types. Datetimes and intervals are ...

SQL is a convenient way to manage and query your data, but badly written queries can tie up your database. Here are seven common SQL traps and how to avoid them. Database developers have it tough.

Let's break down when it's ideal to use the NOLOCK hint and when you should never use it. As a consultant, I work on wide swaths of database systems, which means I get to see many, many SQL statements ...