SQL Help - update query with two tables

Joseph Sinclair plug-discussion at stcaz.net
Fri May 23 19:20:57 MST 2008


Sorry, hit send before rewriting to match your query:
UPDATE A Set (CURRENT_BALANCE) = (SELECT A.CURRENT_BALANCE + B.DEPOSIT From B WHERE A.ACCOUNT_ID = B.ACCOUNT_ID)
WHERE EXISTS (SELECT 1 From B WHERE A.ACCOUNT_ID = B.ACCOUNT_ID)

Joseph Sinclair wrote:
> UPDATE TABLEA
> SET (b, c, d) = (SELECT b1, c1, d1 from TABLEB WHERE TABLEB.a1 = TABLEA.a and TABLEB.e1 > 40)
> WHERE EXISTS (SELECT 1 from TABLEB WHERE TABLEB.a1 = TABLEA.a and TABLEB.e1 > 40);
> 
> Not pretty, but should work.
> You also might find this to work MUCH better as a stored procedure using a cursor...
> 
> Bryan O'Neal wrote:
>> IBM DB2
>>  
>>
>> -----Original Message-----
>> From: plug-discuss-bounces at lists.plug.phoenix.az.us
>> [mailto:plug-discuss-bounces at lists.plug.phoenix.az.us] On Behalf Of
>> Joseph Sinclair
>> Sent: Friday, May 23, 2008 7:09 PM
>> To: Main PLUG discussion list
>> Subject: Re: SQL Help - update query with two tables
>>
>> What's the server (i.e. Oracle, MySQL, PostgreSQL, etc...)
>>
>> Bryan O'Neal wrote:
>>> I have not done SQL by hand since sometime in 2005/2006 and I can not 
>>> remember how to do a dynamic update using more then one table.
>>>  
>>> Let us say I have a table A and a table B and I want to update a 
>>> record in table A for every record in table b base on information in
>> table B.
>>> For example, let us say I want A.CURRENT_BALANCE to be set to 
>>> A.CURRENT_BALANCE + B.DEPOSIT where A.ACCOUNT_ID = B.ACCOUNT_ID.
>>>  
>>> Thoughts?
>>>
>>>
>>>
>>> ----------------------------------------------------------------------
>>> --
>>>
>>> ---------------------------------------------------
>>> PLUG-discuss mailing list - PLUG-discuss at lists.plug.phoenix.az.us
>>> To subscribe, unsubscribe, or to change your mail settings:
>>> http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss
>> ---------------------------------------------------
>> PLUG-discuss mailing list - PLUG-discuss at lists.plug.phoenix.az.us
>> To subscribe, unsubscribe, or to change your mail settings:
>> http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss
>>
>> ---------------------------------------------------
>> PLUG-discuss mailing list - PLUG-discuss at lists.plug.phoenix.az.us
>> To subscribe, unsubscribe, or to change your mail settings:
>> http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss
>>
> 
> 
> ------------------------------------------------------------------------
> 
> ---------------------------------------------------
> PLUG-discuss mailing list - PLUG-discuss at lists.plug.phoenix.az.us
> To subscribe, unsubscribe, or to change your mail settings:
> http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss

-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 189 bytes
Desc: OpenPGP digital signature
Url : http://lists.PLUG.phoenix.az.us/pipermail/plug-discuss/attachments/20080523/41f203eb/attachment.pgp 


More information about the PLUG-discuss mailing list