i"m using a local sql and i would like to know , if i have a big database (data records ) and i wish to run a query , the all purpose of the query is just to recive from the sql empty dataset (that is combination of the query tables fields ! ) so the query have to be very short on .open (quick) even when there are large data .
(the sql result should be an empty table constructed from the fields in the select query)
i try to use several ways including sql false condition but its look like every time the the sql is running he always scan all the data record ....
can u help me ?
Managing Active Directory does not always have to be complicated. If you are spending more time trying instead of doing, then it's time to look at something else. For nearly 20 years, AD admins around the world have used one tool for day-to-day AD management: Hyena. Discover why
The parallel port is a very commonly known port, it was widely used to connect a printer to the PC, if you look at the back of your computer, for those who don't have newer computers, there will be a port with 25 pins and a small print…
Have you ever had your Delphi form/application just hanging while waiting for data to load?
This is the article to read if you want to learn some things about adding threads for data loading in the background.
First, I'll setup a general applica…
This video shows how to quickly and easily add an email signature for all users on Exchange 2016. The resulting signature is applied on a server level by Exchange Online.
The email signature template has been downloaded from:
Email security requires an ever evolving service that stays up to date with counter-evolving threats. The Email
Laundry perform Research and Development to ensure their email security service evolves faster than cyber criminals. We apply our Threat…