• 2) why aren't you using NEWSEQUENTIALID??

    I don't know why OP doesn't, but me...

    I don't use it because it's useless! It does not guarantee sequential order after reboot as it's just a simple wrapper around UuidCreateSequential WinAPI which never had order guarantee...

    BTW, I try not to use GUID's at all, however sometimes it's unavoidable. The company I'm consulting right now had bought into 3-rd party product which has CLUSTERED GUID's PKS in all tables.

    So, I enjoy looking into index fragmentation stats every day here :w00t:...

    _____________________________________________
    "The only true wisdom is in knowing you know nothing"
    "O skol'ko nam otkrytiy chudnyh prevnosit microsofta duh!":-D
    (So many miracle inventions provided by MS to us...)

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