You can update one or more rows of a table through a view, with some restrictions. See Updating PROC SQL and SAS/ACCESS Views ... To add, drop, or modify a column's definition or attributes, use the ...

Adds columns to ... from an existing table. Restriction: You cannot use any type of view in an ALTER TABLE statement. Restriction: You cannot use ALTER TABLE on a table that is accessed via an engine ...

ALTER TABLE column_constraint specifies ... Is a constraint that enforces entity integrity for a specified column or columns by using a unique index. Only one PRIMARY KEY constraint can be created for ...

Please note in the current preview of SQL Server 2019 (CTP 2.1), in-place encryption is only supported when using ALTER TABLE ALTER COLUMN. SSMS and PowerShell will be updated later to take advantage ...