Recent content by Leandro GF Corcete DUTRA

  1. L

    DBMS

    Ðis is wrong. All keys of a relation are candidate keys; the chooſen one is the primary, all oðers are alternate keys. Ðere are no ſecondary keys.
  2. L

    Leandro GF Corcete DUTRA Intro

    Data Adminiſtrator in PoſtgreSQL & PoſtGIS.
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