Question 1

What is a UUID?

Accepted Answer

UUID (Universally Unique Identifier) is a 128-bit identifier that is practically unique worldwide. It is used to identify records in databases, files, and resources.

Question 2

What is the difference between UUID and GUID?

Accepted Answer

UUID and GUID are equivalent. GUID (Globally Unique Identifier) is Microsoft's term for the same thing. Both follow the same standard.

Question 3

Can two UUIDs ever match?

Accepted Answer

Theoretically yes, but the probability is extremely small (1 in 2^122). In practice, you can generate billions of UUIDs without collision.

UUID Generator

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