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.

The core function of this syntax is to inform the database that the string should be processed using Unicode encoding (such as UTF-16), primarily for matching fields of Unicode types like NVARCHAR.

In relational databases, VARCHAR is one of the most commonly used string data types for storing variable ... Differences in VARCHAR Between SQL Server and PostgreSQL SQL Server distinguishes between ...