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  • Notes d'étude
  • Révisions du sujet
    Dada A.
    NG
    Dada A.

    A database management system (DBMS) is a collection of programs that enables you to store, extract information from a database. There are many different types of database management systems, ranging from small systems that run on personal computers to huge systems that run on mainframes.

    Aziz M.
    LK
    Aziz M.

    Done.......

    Boniface G.
    MW
    Boniface G.

    in the computer there is the seek time and this is the time needed to move the read-write heads from one position to another and we have also the the relational delay and this occurs because the data we want may not be directly under the read-write heads, even though they are located over the correct track.

    Aklilu A.
    ET
    Aklilu A.

    best explanation

    Mohamed O.
    EG
    Mohamed O.

    good

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