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  • Users: cjohn
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  1. cjohn

    snapshot too old, in english

    Hello, Will some one help me? Which of the two requests, which return the same result, is more quickly ? More generally is than the fact of making a connection between two tables is more powerful than to call upon overlapping SELECT? Request 1 CREATE TABLE MY_TEMP_TRANS NOLOGGING PARALLEL...
  2. cjohn

    snapshot too old

    Bonjour, Est-ce que quelqu'un pourra m’aider ? Laquelle des deux requêtes, qui retournent le même résultat, est plus performante ? Plus généralement est ce que le fait de faire une liaison entre deux tables est plus performant que de faire appel à des SELECT imbriqués ? Requête 1 : CREATE...

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