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Transfering data from one database to another
Message
De
11/03/2010 04:38:23
Lutz Scheffler
Lutz Scheffler Software Ingenieurbüro
Dresden, Allemagne
 
 
Information générale
Forum:
Visual FoxPro
Catégorie:
Base de données, Tables, Vues, Index et syntaxe SQL
Versions des environnements
Visual FoxPro:
VFP 9 SP2
OS:
Vista
Network:
Windows 2000 Pro
Database:
Visual FoxPro
Application:
Desktop
Divers
Thread ID:
01453866
Message ID:
01453870
Vues:
40
Robin,

Yes

You might adress
*open
OPEN DATABASE first.dbc
OPEN DATABASE second.dbc
*activate first
SET DATABASE TO first

*use will respect acitve dbc

USE somedbf ALIAS FIRST_DBF

*use in specific dbc (first is active)

USE second!somedbf ALIAS Second_DBF

*in sql select / insert update

SELECT Cur1.Field1 F_First,Cur2.Field1 F_second  FROM First!somedbf AS Cur1 INNER JOIN Second!somedbf AS Cur2 ON someexpression

*XBase like append etc will respect the local alias

*close a specific on
SET DATABASE TO first
CLOSE DATABASES
If first and second differ only in path, you have to specify the path all the time.

HTH
Agnes
>Hi

>
>I have two seperate applications with two databases.
>
>I've used wide field names for my tables in both, if I want to append records from one table in one of the databases to another table in the other database, and the structures are the same, will it transfer ok.
>
>I'm just concerned that sometimes when a table goes "outside the database" , all the extended features of the table are lost for example file names get truncated.
>
>Can I open the two databases at once?
>
>TAI
Words are given to man to enable him to conceal his true feelings.
Charles Maurice de Talleyrand-Périgord

Weeks of programming can save you hours of planning.

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