As you probably know all too well, I've been working in an embedded
database with one table and a number of queries. The table holds a
complete historic record of all the activity I'm tracking. The queries
subset the data, picking out the records that are active somehow and
grouping by addresses that have been allocated to one of four
administrative sections. Updates are done primarily through the queries.
I decided that since the addresses are often used in multiple tracking
records, and the data I get sometimes has invalid addresses that I
should catch before setting up some work, I should normalize the data by
splitting what I had into a Violations table for the dynamic data and an
Addresses table for the static stuff about each valid address, joined by
a shorthand version of the address that is the primary key of the
Addresses table. My queries let me see what I expect after the tables
are properly joined.
One real problem, though -- I don't seem to be able to update from any
query with a join. The keys of both tables are in the data, and I'm only
trying to update in the Violations table. As long as I don't have a
join, no problem. Clicking the Edit Data icon doesn't help. Is this
behavior of read-only queries from joins WAD (Working As Designed) or is
there some way I can do my updates from there? From the Violations table
only, I can't subset by section (that data is in Addresses, since it is
fixed for each address) or sort by the full address. (The shorthand
versions are OK, but don't sort to the same order. Workable, but a bit
messy.) Well, I guess I could, but only with a humongous criterion or
set of criteria that essentially identified all the streets in the
section, or by duplicating the section info in the Violations table,
neither of which is particularly attractive.
Any recommendations? Would updating to 2.2.x help?
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