Level Extreme platform
Subscription
Corporate profile
Products & Services
Support
Legal
Français
What can't I do to Fox2X table?
Message
From
20/09/2004 11:59:25
Guy Pardoe
Pardoe Development Corporation
Peterborough, New Hampshire, United States
 
General information
Forum:
Visual FoxPro
Category:
Databases,Tables, Views, Indexing and SQL syntax
Miscellaneous
Thread ID:
00944037
Message ID:
00944049
Views:
14
Sergey,

So I ~can~ use ALTER TABLE to add a simple Char field and it won't convert to VFP? That would be great news.

Likewise, adding indexes, or simply reindexing... you think those are OK too?

Guy






>You cannot add a FOX2X table to a DBC and you cannot use any VFP specific features in the ALTER TABLE command because they will convert the table into VFP table.
>
>
>>
>>I need to interact with the data from an older application (FPW2.6). I cannot change or affect the existing application, but I will use VFP8 to work with the data. And I believe I can even add some fields without disrupting the existing app.
>>
>>I vaguely remember some issues (restrictions) when working with FOX2X tables. There are certain things you could do in VFP that would unintentionally convert the tables to VFP instead of FOX2X. For example, I believe (??) issuing an ALTER TABLE command would convert the table on the fly and render it unusable to the FPW application.
>>
>>I know that if I screw up I can always issue COPY TO ... TYPE FOX2X and convert the table back, but I can't do this in a live production application.
>>
>>I was looking through the help file trying to figure out just what my limits are when working with these tables and I haven't found any discussion about this.
>>
>>So let me ask...
>>
>>What table operations can I do without converting these FOX2X tables to VFP tables? (i.e., keep them FOX2X)
>>
>>Using VFP8, can I...
>>
>>ALTER TABLE?
>>
>>MODIFY STRUCTURE?
>>
>>REINDEX?
>>
>>INDEX ON...?
>>
>>
>>Any other pitfalls or advice on this subject?
>>
>>Thanks,
>>Guy
Previous
Next
Reply
Map
View

Click here to load this message in the networking platform