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  • What exactly is GUID? Why and where I should use it?
    GUID technically stands for globally unique identifier What it is, actually, is a 128 bit structure that is unlikely to ever repeat or create a collision If you do the maths, the domain of values is in the undecillions Use guids when you have multiple independent systems or clients generating ID's that need to be unique For example, if I have 5 client apps creating and inserting
  • Is there any difference between a GUID and a UUID?
    9 GUID has longstanding usage in areas where it isn't necessarily a 128-bit value in the same way as a UUID For example, the RSS specification defines GUIDs to be any string of your choosing, as long as it's unique, with an "isPermalink" attribute to specify that the value you're using is just a permalink back to the item being syndicated
  • Is a GUID unique 100% of the time? - Stack Overflow
    A GUID is microsoft's specifica implementation of the UUID standard So, it's both Globally unique ID vs Universally unique ID
  • What is { {$guid}} used for in Postman? - Stack Overflow
    Saving guid to a global variable is not working in PM I used this code to generate a random string and save it to a variable Thanks!
  • . net - What is the string length of a GUID? - Stack Overflow
    I want to create a varchar column in SQL that should contain N'guid' while guid is a generated GUID by NET (Guid NewGuid) - class System Guid What is the length of the varchar I should expect from a GUID?
  • c# - Guid is all 0s (zeros)? - Stack Overflow
    1) Guid is a value type, not a reference type 2) Calling the default constructor new S() on any value type always gives you back the all-zero form of that value type, whatever it is
  • c# - How to use guid v7 in EF Core? - Stack Overflow
    Besides, the GUID doesn't have to be UUID v7 to be incremental and unique All a database needs is a unique value that's incremental, and NEWSEQUENTIALID does provide that Gaps can occur even in SEQUENCE (whatever the database) or IDENTITY due to caching but that doesn't mean the values aren't unique and incremental
  • C# how to create a Guid value? - Stack Overflow
    One field of our struct is Guid type How to generate a valid value for it?
  • Is it safe to assume a GUID will always be unique?
    A Bloom filter might be appropriate; it can quickly tell you if a GUID is unique, but there's a chance for a false indication of a collision An alternate method if you're testing a batch at a time is to sort the batch and compare each successive element
  • c# - Guid. NewGuid () vs. new Guid () - Stack Overflow
    Guid NewGuid() creates an empty Guid object, initializes it by calling CoCreateGuid and returns the object new Guid() merely creates an empty GUID (all zeros, I think)





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