Data Management (Introduction to Data Management)

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Adam Mukharil Bachtiar, M.T. Manajemen DATA Pengantar Manajemen Data

Transcript of Data Management (Introduction to Data Management)

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AdamMukharil Bachtiar, M.T.

Manajemen

DATAPengantar Manajemen Data

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Penjelasan Mata Kuliah

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Deskripsi Mata Kuliah

Nama Mata Kuliah : Manajemen Data

Sifat : Wajib

Waktu : 3 SKS

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Rancangan Pembelajaran Semester

• Pengantar Manajemen Data (Minggu 1)

• Basis Data Relasional (Minggu 2 - 4)• Normalisasi (Minggu 5)• Basis data document-based dan

denormalisasi (Minggu 6)• Diskusi riset terbaru (Minggu 7)

• Datawarehouse (Minggu 9 dan 10)

• Data Mining: Association Rule (Minggu 11)

• Data Mining: Klasifikasi (Minggu 12)• Data Mining: Clustering (Minggu 13)• Data Visualization (Minggu 14)

• Diskusi riset terbaru (Minggu 15)

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Rancangan Hasil Evaluasi

40% TUGAS + 20% UTS + 40% UAS

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Referensi Perkuliahan

• Database System Concept, Abraham Silberschatz, et al.

• Modern Database Management 8th edition, Jeffry A. Hoffer, et al.

• Building the Datawarehouse, Bill Inmon.

• Data Mining: Concepts and Techniques, Jiawei Han

• Data Smart, John W. Foreman.

• etc.

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Manajemen Data

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Apa itu Data?

Sebuah himpunan dari variabel kualitatif atau

kuantitatif.

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Apa itu Manajemen Data?

Serangkaian langkah untuk menyimpan,

memelihara, dan memanfaatkan data agar jauh lebih berguna.

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Kenapa belajar Manajemen Data?

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Media Penyimpanan dan Sistem Berkas

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Back to the PAST…

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Sistem Berkas?

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Punch Card

(1725-1970)

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Punch Tape

(1846)

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Selectron Tube

(1946)

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Magnetic Tape

(1950-1980)

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Magnetic Drum

(1950-1960)

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Hard Drive

(1956)

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Compact Cassette

(1963)

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Disket

(1969)

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and NOW…

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Bagaimana data disimpan dan diakses?

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Organisasi File

• Pile

• Sequential File

• Indexed Sequential File

• Indexed File

• Direct File

• Inverted File

• Multi List

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Sequential File

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Sequential File

Data yang disimpan diurutkan berdasarkan urutanpemasukan data

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Operasi Input Sequential File

109

12

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Reorganisasi Sequential File

109

12

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Index Sequential File

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Index Sequential File

Mengorganisasi kumpulan record secara sekuensialdan akses record secara individu berdasarkan nilai key

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Index Main File Overflow

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Operasi Input: Algoritma Push Through

• Record baru di-insert di posisi yang sesuai

• Record sisa setelah record baru di-push hingga akhir block

• Jika melebihi akhir block, push ke overflow area

• Record yang ditunjuk oleh indeks tidak boleh digeser

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Reorganisasi

• Data pada main flow dan overflow area diurutkan secara

sekuensial

• Indeks menunjuk awal blok yang baru setelah diurutkan.