Interprets the SYS_CHANGE_COLUMNS value that is returned by the CHANGETABLE(CHANGES …) function. This enables an application to determine whether the specified column is included in the values that are returned for SYS_CHANGE_COLUMNS.
The following example determines whether the Salary column of the Employees table was updated. The COLUMNPROPERTY function returns the column ID of the Salary column. The @change_columns local variable must be set to the results of a query by using CHANGETABLE as a data source.