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super projections — Vertica Forum

super projections

sreeblrsreeblr - Select Field - Employee
in General Discussion

Is it good to have more than one super projection per table with the two or more super projections differing in columns in the order by clause . I checked and found both projections for table are used

Answers

  • NitheshNithesh - Select Field - ✭

    It's not wise to have more than one super projections as it will impact your Data Load performance. Having said that, after examining your queries, you can create query specific projections with appropriate sort orders if required.

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