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.

SQL basics I: Data queries Whether you’re just getting in to programming or you’ve avoided learning SQL, it’s something every developer faces eventually.

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.