PENGANTAR BASIS DATA 1

PERANCANGAN BASIS DATA


DEFINISI BASIS DATA
Basis
Kumpulan/Markas/Data


1.      BASIS DATA

Basis data adalah kumpulan informasi yang disimpan di dalam komputer secara sistematik sehingga dapat diperiksa menggunakan suatu program komputer untuk memperoleh informasi dari basis data tersebut bergorganisir dan terstruktur hubungan dengan suatu system. DBMS suatu system/PL yang di gunakan untuk mengolah suatu basis data.
·         Sistem berkas lemah oleh sisi keterhubungan melihat ada duplikasi data

2.      DBSM

Suatu system yang di rancang untuk mengelolah sustu basis data, DBSM biasanya di gunakan untuk mengeloh data dalam bentuk baris dan kolom untuk mengelolah data sustu perkerjaan atau pun data dari pengelola tersebut yang bisa di akses secara langsung. Aplikasi yang di gunakan untuk mengelola DBSM ada berbagai macam tapi yang sering di pakai atau mudah di gunakan yaitu Microsoft SQL, Server 2000, Oracle, Mysql, Interbase, Paradox, Microsoft Access, dan lain‐lain Kesimpulan.

3.      SISTEM PEMROSESAN BERKAS

Sekelompok rekaman disimpan pada sejumlah berkas secara terpisah

a. Kelemahan di sistem pemrosesan berkas
b. Kelebihan data dan ketidak mampuan
c. Konsistenan
d. Sukar/sulit dalam akses data
e. Data asing/isolasi,terpencil,pemisahan
f. Masalah inergritas
g. Masalah keamanan
h. Masalah otomatisasi



4.      MASAH DALAM SISTEM DATA

a.       Ada yang dikelompokan dengan program dan data
b.      Duplikasi data (pemborosan pemakaian)
c.       Data kurang terstruktur
d.      Data pemeliharaan tinggi
e.       Sulit lama untuk di kembangkan
Solusi Solusi : solusi pendataan basis data
-Pesat repository data bagi seluruh organisasi
-data dikelola oleh suatu sistem pengendali

-data di simpan dalam format yang baku dan mudah di mengerti.

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