I'm wondering whether columns, in the select list of a view that is used
in a join, which are not used either as join criteria or in the select
list of the overall query, effect the performance of the query.
In other words supposed I define a view something like
CREATE view MyView AS SELECT
Eric Schwarzenbach subscri...@blackbrook.org writes:
I'm wondering whether columns, in the select list of a view that is used
in a join, which are not used either as join criteria or in the select
list of the overall query, effect the performance of the query.
If the view gets flattened into