DataProfiling and Cleansing1

download DataProfiling and Cleansing1

of 14

Transcript of DataProfiling and Cleansing1

  • 8/10/2019 DataProfiling and Cleansing1

    1/14

    C 2011 D . A . ...

    , ,

    & ()

  • 8/10/2019 DataProfiling and Cleansing1

    2/14

  • 8/10/2019 DataProfiling and Cleansing1

    3/14

    C

    C 2011 D . A . ... 3 14

    1

    D C , C, ,

    () .

    :

    D

    D

    D C

    D

    D

    D

    2

    2.1

    C ,

    .

    . (, ,

    )

    .

    .

    D C ,

    .

    2.2

    , A A B :

    1.

    .

    2.

    D .

    3.

    D .

    4.

    D .

    5.

    D .

    6.

    D .

  • 8/10/2019 DataProfiling and Cleansing1

    4/14

    C

    C 2011 D . A . ... 4 14

    3

    , .

    :

    ,

    .

    4

    D

    :

    .

    C , /

    .

    , .

    C , (

    ) .

    .

    4.1

    D :

    ()

    C

    C

    D D

  • 8/10/2019 DataProfiling and Cleansing1

    5/14

  • 8/10/2019 DataProfiling and Cleansing1

    6/14

    C

    C 2011 D . A . ... 6 14

    5.1

    D C :

    ()

    C

    C

    D

    D

    D

    D &

    C ()

    D C :

  • 8/10/2019 DataProfiling and Cleansing1

    7/14

    C

    C 2011 D . A . ... 7 14

    6

    D

    D C

    .

    ,

    , . D D ,

    ,

    .

    6.1

    D :

    C () D

    C

    C

    D

    D

    D

    D

    &

    C/

    ()

  • 8/10/2019 DataProfiling and Cleansing1

    8/14

    C

    C 2011 D . A . ... 8 14

    D

    :

  • 8/10/2019 DataProfiling and Cleansing1

    9/14

    C

    C 2011 D . A . ... 9 14

    7

    D ,

    (). D

    .

    A D

    ( )

    / .

    .

    7.1

    D :

    C/

    ()

    C

    C

    D

    D

    D

    D &

    F ()

  • 8/10/2019 DataProfiling and Cleansing1

    10/14

  • 8/10/2019 DataProfiling and Cleansing1

    11/14

    C

    C 2011 D . A . ... 11 14

    8

    D , C

    , .

    F ,

    .

    8.1

    &

    D :

    D ()

    C D ()

    D ()

    D ()

    D

    D

    D

    D

    D

    .

  • 8/10/2019 DataProfiling and Cleansing1

    12/14

  • 8/10/2019 DataProfiling and Cleansing1

    13/14

    C

    C2

    011D.A....

    1314

    9

    9.1

    C

    :

  • 8/10/2019 DataProfiling and Cleansing1

    14/14

    C

    C2

    011D.A....

    1414

    9.2

    DC

    :