Question

Is it possible to modify multiple attributes on a single node within one Update?

I have something similar to:

<ENTITY NAME="entity1">
    <ATTR ID="attr1" CAPTION="Attributes to Change" SIZE="100" WIDTH="100"></ATTR>
</ENTITY>

I’ve been able to use three separate Updates to modify the CAPTION, SIZE, and WIDTH attributes, but I’ve looked in vain for some way to combine them into a single Update. Is it possible?

Examples of the Updates I’ve used:

UPDATE    t
SET       [column_name].modify('replace value of (/ENTITY/ATTR/@CAPTION)[1] with "New Attribute Caption"')
FROM      table t

UPDATE    t
SET       [column_name].modify('replace value of (/ENTITY/ATTR/@SIZE)[1] with "200"')
FROM      table t

UPDATE    t
SET       [column_name].modify('replace value of (/ENTITY/ATTR/@WIDTH)[1] with "200"')
FROM      table t

Answer 1

No it is not possible.

From replace value of (XML DML).

Expression1
Identifies a node whose value is to be updated. It must
identify only a single node. That is, Expression1 must be a statical
singleton.