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A comment on Oracle vs. PostgreSQL – A Comment. Parent comment

Re:Oracle vs. PostgreSQL – A Comment by nycdotnet on Saturday May 30, 2020 @05:26PM (#23364895)
SQL Server partially supports it - indexes for example are not versioned which causes snapshot transactions to fail if someone rebuilds an index - even if it’s not in scope of the snapshot.
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Re:Oracle vs. PostgreSQL – A Comment by throwaway_pdp09 on Saturday May 30, 2020 @05:42PM (#23365025)
That doesn't sound right by my experience, Could you give a link please? I'm concerned I've not heard of this. Probably because it's MVCC/snapshot isolation which I'm not familiar with.
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