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  • GUIDs: Are they actually safe?

    I'm studying to become a security expert and I've noticed a ton of websites use GUIDs for password resets, unsubscribe requests, etc. I'm assuming most sites use them because they're easy to use and they're unique. But I'm curious to find out how safe GUIDs actually are. Are they actually intended...

    ITKE352,420 pointsBadges:
  • Performance impact by using GUID instead of sequence as primary key

    Is there anyone has experience on using GUID as the primary key in the data model of a huge data warehouse? What is the impact of the performance compare with the sequencial surrogate key in Oracle 10g or higher version?

    Jzliao5 pointsBadges:
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