How newid() Function Work in Back Ground ?
What is the difference between rand() and newid() ?
Which is more efficient?
Thanks in advance.
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How newid() Function Work in Back Ground ?
What is the difference between rand() and newid() ?
Which is more efficient?
Thanks in advance.
The problem with rand is that it returns the same value for all the rows for a call. newid will be different for every row. This article explains things clearly
https://web.archive.org/web/1/http://articles.techrepublic%2ecom%2ecom/5100-10878_11-6089823.html#