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.

Differences between VARCHAR in SQL Server and PostgreSQL In SQL Server, string types are divided into VARCHAR (non-Unicode ... index failures, and data mismatches.

Assuring data quality should be one of the most important goals for IT professionals. This is truer today than it has ever been as organizations rely on data to power their AI and machine learning ...