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Why this DELETE is so slow?
Message
De
22/02/2005 14:25:57
 
Information générale
Forum:
Visual FoxPro
Catégorie:
Base de données, Tables, Vues, Index et syntaxe SQL
Versions des environnements
Visual FoxPro:
VFP 8 SP1
OS:
Windows 2000 SP4
Network:
Windows 2003 Server
Database:
Visual FoxPro
Divers
Thread ID:
00988740
Message ID:
00989364
Vues:
58
Hi Andrew,

Go into VFP9 Locking Data section.

For DELETE - SQL you can read Current record

Now, a DELETE SQL command is a command where the operation
is set based.
Then, what is it a "Current record" ?
- It is any scanned record
- it is any matched record
...

Every time i read the documentation,
this comes me in mind:
I say something to you,
if you have already understood it then you understand,
otherwise you will not understand nothing


Another example on the same page:
TABLEUPDATE( )   Depends on buffering
much clear one!

Fabio
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