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Deleting data from two tables through form
Message
From
23/10/2006 17:11:17
 
General information
Forum:
Visual FoxPro
Category:
Databases,Tables, Views, Indexing and SQL syntax
Environment versions
Visual FoxPro:
VFP 6
OS:
Windows Millenium
Network:
Windows ME
Database:
Visual FoxPro
Miscellaneous
Thread ID:
01163853
Message ID:
01163999
Views:
6
>>>>I have two tables. Field acno is common. In Table2 number
>>>>of records for acno may be many, but in table1 it is unique. table1 has a field remarks.
>>>>I want to delete all records for acno in table2 if it satisfies the condition:
>>>>
>>>>if table2.acno=table1.acno and remarks.table1='close'
>>>>
>>>>But I failed to do so. Please help.
>>>>
>>>>Chandan
>>>
>>>
>>>IF UPPER(ALLTRIM(Table1.Remarks )) == [CLOSING]
>>>   DELETE FROM Table2 WHERE AcNo == Table1.AcNo
>>>ENDIF
>>>
>>
>>If I'm reading this correctly, this matches only the current record in Table1. If you want to process all records in one statement you can
>>DELETE FROM Table2 WHERE AcNo in (SELECT acno FROM table1 WHERE remarks = "close")
>
>Oops, you are right. I thougth tha Chandan wants to delete only these records in table2 that ahve AcNo = current record in Table1.

It wasn't clear to me which he intended, so I thought it worthwhile to point out the alternative "just in case."
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