Top "Guid" questions

MS SQL Server Row GUID Column

I apologize for asking what seems like a tired question, but no forum response or documentation I've read seems to …

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Aggregate Function on Uniqueidentifier (GUID)

Let's say I have the following table: category | guid ---------+----------------------- A | 5BC2... A | 6A1C... B | 92A2... Basically, I …

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How does C# generate GUIDs?

How are GUIDs generated in C#?

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Performance - using Guid object or Guid string as Key

When using a Guid as an index for a Dictionary, is it better to use the Guid object, or the …

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Guid.Parse() or new Guid() - What's the difference?

What is the difference between these two ways of converting a string to System.Guid? Is there a reason to …

c# .net guid

Validation of Guid

I have a strongly-typed view which has a DropDownListFor attribute on it. Each item in the dropdown list is represented …

c# asp.net-mvc data-annotations guid

Most efficient way to store a GUID value in SQL Server database

Say, if I need to store non-repeating GUID values (something like {AB50C41E-3814-4533-8F68-A691B4DA9043}) …

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Best practice on generating reset password tokens

Any best practice on how a reset password token should be constructed? I'm thinking: random 17 characters [a-zA-Z0-9] + a globally …

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Convert UUID 32-character hex string into a "YouTube-style" short id and back

I'm assigning all my MongoDB documents a GUID using uuid.uuid1(). I want a way I can derive an 11 character, …

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Should I get rid of clustered indexes on Guid columns

I am working on a database that usually uses GUIDs as primary keys. By default SQL Server places a clustered …

sql-server guid clustered-index