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.

In SQL Server, data types define the kind of data that can be stored in a column. For example, integers are stored using the INT data type, while strings may use VARCHAR or NVARCHAR .

SQL is a language used to get data from databases. It helps websites, apps, and reports work. Even social media and online shopping use SQL behind the scenes. The basic rules are easy to learn. But a ...