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Is there a system table that updates and returns its row based on a query?

Discussão em 'Outras Linguagens' iniciado por Stack, Janeiro 18, 2021.

  1. Stack

    Stack Membro Participativo

    DUAL is a system table that is used to get constants and results of system functions.

    [​IMG]

    However it only has one column named "dummy" and only a row with X value in it so this doesnt work:

    [​IMG]

    My question is, is there a system table that can pull this trick off? A (single-column) table that returns a row regardless of how its one column is queried, with the value in the where clause.

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    Stack, Janeiro 18, 2021
    #1

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