having to do with machinery: a mechanical failure. 2. being a machine; operated by machinery: a mechanical toy. 3. caused by or derived from machinery: mechanical propulsion.
ERROR: cannot alter type of a column used by a view or rule DETAIL: rule _RETURN on view v_change_me depends on column too_short. Though PostgreSQL tells us which view and column prompted this error, thatâs the last favor it provides.
Rename Column Â». The Alter Column statement can modify the data type and the Nullable attribute of a column. The syntax is the same for SQL Server 2005 and SQL Server 2008 except 2008 allows the sparse attribute to be changed.For the example below, we will begin by creating a sample table, then we will modify the columns.ename Column Â». The Alter Column statement can modify the data type and the Nullable attribute of a column. The syntax is the same for SQL Server 2005 and SQL Server 2008 except 2008 allows the sparse attribute to be changed.