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  1. Securely generate a UNIQUEIDENTIFIER in SQL Server

    Apr 4, 2013 · To paraphrase Eric Lippert's excellent series on GUID's (part 1, part 2, part 3), the acronym is GUID, not GSUID - Globally Unique Identifier, not Globally Secure Unique …

  2. sql server - What is the purpose of a Row_GUID column?

    Jun 7, 2016 · ROWGUIDCOL is primarily used for MERGE replication, and is also required for FILESTREAM, but can be used in any scenario where you want an immutable column …

  3. index tuning - Indexing a PK GUID in SQL Server 2012 - Database ...

    However, heaps in SQL Server are extremely inefficient for data retrieval. My experience has been that a clustered index is always desirable if you have the opportunity to declare one. I …

  4. performance - Guid vs INT - Which is better as a primary key ...

    The generated GUIDs should be partially sequential for best performance (eg, newsequentialid() on SQL Server 2005+) and to enable use of clustered indexes; If you are certain about …

  5. GUID vs BIGINT – SQLServerCentral Forums

    May 13, 2014 · Well, a lot of the information is right there in the SQL Server documentation.A GUID is 16 bytes while a bigint is 8 bytes. That alone affects the distribution of the data across …

  6. Converting between binary hex and GUID (uniqueidentifier)

    Nov 8, 2018 · And after playing a little more: declare @TestUI uniqueidentifier = '43367830-4437-3543-3132-304538434139' ,@TestBin binary(16) = …

  7. sql server - Is it Ok to use GUID as the Foreign Key? - Database ...

    Jun 24, 2016 · [GUID as PK] [bigint as PK], [GUID as FK] The thing is, the Staging Table is using GUID as the primary key. Reason, we have to reference back the records uploaded from …

  8. sql server - Performance Concerns with UniqueIdentifiers (GUIDs ...

    Aug 20, 2021 · Your best option here is to scale your database server. There's noting intractable about managing a table with 10 million rows with random GUID as the clustered key, it's just …

  9. sql server - Return the uniqueidentifier generated by a default on ...

    Jan 7, 2016 · SQL Server After Insert trigger does not perform actions 1 Configuring a non-nullable foreign key uniqueidentifier with a default Guid.Empty value that exists in foreign table

  10. How Uniqueidentifier in SQL Server is always a unique value …

    Oct 16, 2016 · A GUID is a unique binary number; no other computer in the world will generate a duplicate of that GUID value. That statement is referring to functions like NEWID() in T-SQL …

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