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SQL UNION with Memo fields
Message
De
23/10/1997 12:04:19
 
 
À
23/10/1997 12:01:28
Matt Mc Donnell
Mc Donnell Software Consulting
Boston, Massachusetts, États-Unis
Information générale
Forum:
Visual FoxPro
Catégorie:
Codage, syntaxe et commandes
Divers
Thread ID:
00056360
Message ID:
00056367
Vues:
33
>>This has to be done in FoxPro 2.5 so views are not an option.
>>
>>I have 2 separate tables both with a date field and a memo field. Both date fields are called Readdate. The memo field in table1 is called Comments and table2's is called Cparam.
>>
>>What I need to end up with is a Cursor, combining both tables data, with Readdate, Comments, Cparam ordered by Readdate. How do I code the SQL-SELECT for this or is there a better way? My best idea so far is 2 SELECT's UNION'd together.
>
>
>SELECT ReadDate, Myfield1 AS Field1, MyField2 AS Field2, Comments ;
>  FROM MyTable1 ;
>UNION ;
>SELECT ReadDate, MyOtherField1 AS Field1, MyOtherField2 AS Field2, Cparam AS Comments ;
>  FROM MyTable2 ;
>ORDER BY 1 ;
>INTO CURSOR ac_Cursor
>
>
>The 'AS' commmands are redundant, I just put them in for clarification.
>
>The Format for Myfield1 MUST match MyOtherField1 and likewise for 2.
>
>HTH

and don't forget about UNION ALL.
Edward Pikman
Independent Consultant
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