A GUID (also known as UUID) stands for Globally Unique Identifier or Universally Unique Identifier.
It’s a 128-bit number used to uniquely identify resources. The term GUID is often used in Microsoft environments, while UUID is more common elsewhere.
How are GUIDs used?
GUIDs are widely used in software development and testing by engineers, programmers, database admins, and testers.
They appear in programming languages like java, c# and python and databases like SQL Server and MongoDB.
Common uses include primary keys, versioning, component identifiers, and anywhere a unique value is needed.
What is a Random GUID Generator?
A Random GUID Generator lets you create Globally Unique Identifiers (GUIDs) instantly.
GUIDs are useful in programs, test cases, or whenever you need to store or query a unique item in a database. Unlike auto-incremented IDs, GUIDs are not predictable, making them a more secure and reliable option.
How unique is a GUID?
GUIDs are built to be super unique, though not 100% guaranteed. They’re 128-bit values, and their uniqueness usually comes from two things:
Randomness: Most GUIDs use random or pseudo-random data, making it extremely unlikely that two will ever match.
Timestamps: Some also include the current time plus a machine ID, so even if two are made at the same moment, they’ll still differ
