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SQL update syntax
Message
De
22/11/2006 05:02:51
 
 
À
22/11/2006 02:54:51
Information générale
Forum:
Visual FoxPro
Catégorie:
Base de données, Tables, Vues, Index et syntaxe SQL
Versions des environnements
Visual FoxPro:
VFP 9 SP1
OS:
Windows XP SP2
Database:
Visual FoxPro
Divers
Thread ID:
01171410
Message ID:
01171677
Vues:
7
Now I get results without errors, but wrong - still I have a max kms, not kms for max date... :) Result is same as before (my query)...


>My mistake, change:
>
Max(kilometri.stanjekm)
>to
>
Max(kilometri.stanjekm) AS MaxKm
>
>
>>I get "Column MAXKM is not found"?
>>
>>
>>>MaxKm is a field of derived table, result of this query:
>>>INNER JOIN (Select kilometri.ID, Max(kilometri.stanjekm);
>>> From kilometri;
>>> GROUP BY Id WHERE datum < ldDatod) Kmtr;
>>>
>>>
>>>>Hmm. what is Kmtr.MaxKm??? SQL and I are confused :))
>>>>
>>>>>>Hi!
>>>>>>
>>>>>>I have table kilometri with 3 fields:
>>>>>>ID, datum, stanjekm.
>>>>>>
>>>>>>I want to update another table with stanjekm for max date which is less then some other date...
>>>>>>Here is code which work, but update for max stanjekm. This work, but when someone change km meter in his car, I get wrong result, of course....
>>>>>>How to get stanjekm for max datum, but less then ldDatod?
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