speeding up loading records

  • Thread starter Thread starter cj2
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C

cj2

I can't remember and can't find my notes anywhere. There were a couple
of commands that when used with I think the data adapter that allowed
for faster reading or writing of tables. I think one or both had
something to do with turning of the checking VB does to make sure the
data doesn't violate any of sql's rules--like a field is blank where sql
says it can't be. I think it was two commands both doing something to
help speed loading data from one table and writing it to another. I'm
pretty sure when I came across the commands I was copying tables from
informix via and odbc connection to a sql server. But I can't find
where I used the commands. Like I said I can't remember but perhaps
someone might know what I'm talking about.
 
Hello CJ,

Turning off EnforceConstraints is one of the ways to improve the
performance of DataAdapter.Fill(dataset). The other way is to call
BeginLoadData and EndLoadData, which can turn off internal Dataset indexing
and notification. You may want to have a look at this article:

[DataReaders, DataSets, and performance]
http://www.eggheadcafe.com/articles/20030205.asp

Peter A. Bromberg has a good interpretation of the performance of
DataAdapter.Fill().

If you have any other questions or concerns, please DON'T hesitate to tell
me.

Regards,
Jialiang Ge ([email protected], remove 'online.')
Microsoft Online Community Support

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