Domain Types in SQL – Structured Query Language

A user-defined data types in SQL are Domain Type. You can use the domain instead of a built-in SQL data type. To know the difference between user-defined and built-in data types check our post.  You can use the domain instead of a built-in SQL data type when declaring a column. That column will then be restricted only to use the same domain. Some good definitions of Domain type in SQL are found HERE. … Continue reading Domain Types in SQL – Structured Query Language