Dear Sir,
I can write the query to fetch data from SQL lite DB with extra performance and very less time with no lock feature. I can count unique okay of each record as per your requirement. it will take very very less time.. I. expert in performance kind of stuff.
I have been in this industry for 8 years and such jobs are my daily practice. This is my first time on this site and hence you can see that I do have only 3 ratings/testimonials to show you. I can assure you that if you work with me once, you will always work with me for these kinds of projects.
Don’t worries I will give you the support for free of cost for any kind of issues.
If you will give me a chance, I promise you that my work will always make you happy with excellent keys.
Thanks,
Maulik