Disk activity when using a record

Disk activity when using a record

Postby Marc Venken » Fri Feb 03, 2023 3:58 pm

I wonder... (Antonio, ChatGPT is not accessible, to much hits at this time )))))

When a dbf is on a record I have the (BAD) habit of doing calculations like :

nAankoop = artikel->new_bruto - (artikel->new_bruto * artikel->korting)/100
nAankoop = nAankoop - (new_bruto * artikel->korting2)/100
replace artikel->new_aankoop with nAankoop
artikel->new_marge = ((artikel->new_bruto/artikel->new_aank)*100)-100
artikel->new_diff = ((artikel->new_aank/artikel->aankoop)*100)-100

will there always be a disk access for each time I use a item artikel->.... ? or will the data come from the cach of the computer ?

Just to be sure ! . I can easily change my workflow in using a hash or tdatabase for this.
Marc Venken
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Re: Disk activity when using a record

Postby Antonio Linares » Sat Feb 04, 2023 7:34 am

Dear Marc,

I would say that the data come from the cach of the computer

Only when you move to a different record, or you modify the data, the disk will be accessed
regards, saludos

Antonio Linares
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