Level Extreme platform
Subscription
Corporate profile
Products & Services
Support
Legal
Français
6.0 and indexing
Message
From
06/08/1999 11:11:22
 
 
To
06/08/1999 11:04:24
General information
Forum:
Visual FoxPro
Category:
Databases,Tables, Views, Indexing and SQL syntax
Miscellaneous
Thread ID:
00250681
Message ID:
00250686
Views:
14
>Hi,
>
>I swear I saw someone say here on the UT that 6.0 with SP3 does all its indexing in one pass now. That would be great as I am currently working on an almost 16 million record table, however - I went to the table stucture, checked four fields to index, and it went through all 4 passes (actually 8 if you count creating keys and indexing as separate)
>
>what's up?
>

While enhancements were made in the indexing operation, the assumption that all tags are generated in a single pass through the system is incorrect; the exact nature of the changes was not documents, but I'd suspect that the priorities for retaining data in VFP's cache probably are shifted, so that more of the data file is retained in spite of the normal preferences towards retention of index tag information. That's a pure SWAG, though; you are corect that each oindex is created and written separately and sequentially. It does seem that rebuilding a CDX takes advantage of previously-read information, which seems to reduce LAn traffic and boost performance.

>TIA,
EMail: EdR@edrauh.com
"See, the sun is going down..."
"No, the horizon is moving up!"
- Firesign Theater


NT and Win2K FAQ .. cWashington WSH/ADSI/WMI site
MS WSH site ........... WSH FAQ Site
Wrox Press .............. Win32 Scripting Journal
eSolutions Services, LLC

The Surgeon General has determined that prolonged exposure to the Windows Script Host may be addictive to laboratory mice and codemonkeys
Previous
Next
Reply
Map
View

Click here to load this message in the networking platform