Session 4: Data access operators in SQL Server: Scans, Seeks and Key/RID Lookup

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  • Опубліковано 13 жов 2024
  • Let us quickly learn data access operators in SQL Server in this session.
    Data access operators nearly exist in all the execution plans and you should deeply understand these operators as they can define performance issues in many cases.
    Chapters
    0:20 - Table Scan
    1:45 - Non-clustered index-seek with RID lookup
    3:55 - Non-clustered index scan, Non-clustered index seek without RID lookup
    7:30 - Clustered index seek and scans
    10:17 - Key lookup
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КОМЕНТАРІ • 3

  • @arslanov1886
    @arslanov1886  9 днів тому

    Please increase the voice in these series so that you can hear it more clearly. The voice decreased accidentally while editing.

  • @ibrahimsoliman1842
    @ibrahimsoliman1842 8 днів тому +1

    Great