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Dasar-dasar pemrograman I

Dasar-dasar pemrograman I. Organisasi File Database. Pembuatan : create [path] namafile Struktur : Nama field Maksimum 10 karakter Didahului dengan huruf Tidak boleh menggunakan : , spasi [ ] < > ; :. Tipe Data; Character (C) Huruf , angka , tanda baca Maksimum 254 huruf

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Dasar-dasar pemrograman I

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  1. Dasar-dasarpemrograman I

  2. Organisasi File Database • Pembuatan: • create [path] namafile • Struktur: • Nama field • Maksimum 10 karakter • Didahuluidenganhuruf • Tidakbolehmenggunakan: , spasi [ ] < > ; :

  3. Tipe Data; • Character (C) • Huruf, angka, tandabaca • Maksimum 254 huruf • Numerik (N) • Maksimum digit angka 19 termasukdibelakangdesimal • Maksimum field 20 karaktertermasuktitikdesimaldan +/- • Float (F) • Samadengantipenumerik, berbedadalamkecepatanpengolahandantingkatketelitian

  4. Date (D) • Lebar field 8 karakter: mm/dd/yy • Logical (L) • Benar/true=1 atausalah/false=0 • Memo • Panjanglebihdari 254 karakter • Padasaatpenyimpananotomatismembentuk file memo (*.fpt) • Mengisi record • Sintaks: append [blank]

  5. Mengaktifkan file database • Use namafile • Melihatisi record • List [namafield] • Dislpay structure • Go <no_record> • Display • Display record <no_record>

  6. Melihat record berdasarkankriteria • List [namafield] for <kriteria>

  7. Latihan • Buatlah minimal 3 file database (tabel) yang salingberelasi • Tentukankuncipadamasing-masing file

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