yes exact same definition in both...

ftpdtl...
d_id
for column did
bigint
not null
generated always as identity
(start with 1 increment by 1)

ftppgm...
d_id
for column did
bigint
not null




On Fri, Jan 31, 2020 at 8:45 AM Rob Berendt <rob@xxxxxxxxx> wrote:

Is ftpdtl.d_id bigint also?

Rob Berendt
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IBM Certified System Administrator - IBM i 6.1
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Dept 1600
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-----Original Message-----
From: MIDRANGE-L <midrange-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of Jay
Vaughn
Sent: Friday, January 31, 2020 8:31 AM
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxxxxxxxx>
Subject: Re: sql table referential integrity

CAUTION: This email originated from outside of the organization. Do not
click links or open attachments unless you recognize the sender and know
the content is safe.


so... why am i getting this?

SQL0573 30 184 Position 3 Table FTPDTL in xxxxxx does not have a
matching parent key.

parent...
ftpdtl exists and has... primary key(d_id)

in my new ftppgm table...

i am sure to define the foreign key...
-- foreign key
,d_id
for column did
bigint
not null

and then the alter...

alter table ftppgm
foreign key (d_id)
references ftpdtl(d_id)
on update no action
on delete cascade;

tia

jay


On Fri, Jan 31, 2020 at 7:53 AM Rob Berendt <rob@xxxxxxxxx> wrote:

I'm thinking you'd have to use EITHER the trigger OR the foreign
constraint. I don't think mixing the two would work. So, since the
foreign key constraint falls short you might have to go with the trigger.

Rob Berendt
--
IBM Certified System Administrator - IBM i 6.1
Group Dekko
Dept 1600
Mail to: 2505 Dekko Drive
Garrett, IN 46738
Ship to: Dock 108
6928N 400E
Kendallville, IN 46755
http://www.dekko.com


-----Original Message-----
From: MIDRANGE-L <midrange-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of
Luis Rodriguez
Sent: Friday, January 31, 2020 7:08 AM
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxxxxxxxx

Subject: Re: sql table referential integrity

CAUTION: This email originated from outside of the organization. Do not
click links or open attachments unless you recognize the sender and know
the content is safe.


Jay,

I know you prefer not to program this but, What about using triggers? A
DELETE trigger and an UPDATE trigger shouldn't be very hard to code for
your request...

Best Regards,
Luis Rodriguez

--



On Thu, 30 Jan 2020 at 17:40, Jay Vaughn <jeffersonvaughn@xxxxxxxxx>
wrote:

So i have table A (keyed by identity column), and index A (keyed by
key1,
key2).

I have table B (keyed by identity column) and index B (keyed by key1,
key2
- same defined keys as in index A)

table B is really just an "additional information" table for the rows
and
keys defined in table A.

How can I apply some kind of referential integrity over table B to
allow
table B keyed rows to be deleted if table A similar keyed rows are
deleted? Likewise if table A key value changes, table B key values
change.

I know I am probably dreaming. I just don't want to go handle this
stuff
programmatically.

tia

Jay
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