A [Computed Column](https://learn.microsoft.com/en-us/sql/relational-databases/tables/specify-computed-columns-in-a-table?view=sql-server-ver16) is a column whose ...

CREATE TABLE T ( col1 xml, col2 as cast(col1 as varchar(1000) )); You can create a computed column by extracting a value from an `xml` type column as shown in the following example. Because the **xml* ...