JAWABAN NOMOR 1 - 3
TABEL
JAWABAN NOMOR 4
. select nim,nama_mhs,jurusan,nama_dosen
from mahasiswa, dosen_PA, matakuliah,
registrasi
where registrasi.nim = mahasiswa.nim
and registrasi.kd_mk = matakuliah.kd_mk
and matakuliah.sks = dosen_PA.nip
and matakuliah.sks = 3
normalisasi dibawa ini :
registrasi.nim = mahasiswa.nim ^
registrasi.kd_mk=matakuliah.kd_mk^(matakuliah.sks=3)
JAWABAN NOMOR 6
SELECT nama_barang
FROM barang
WHERE harga = 3.000.000
OR (NOT (nama_barang=”Televisi”)
AND (nama_barang=”Televisi” OR nama_barang=”Kulkas”)
AND NOT(nama_barang=”Kulkas”))
Penyederhanakan
Query pada nomor 6
Z =
harga = 3.000.000
X = nama barang = “Televisi”
Y = nama_barang=”kulkas”
Z V ( -(X) Ʌ (X V Y) Ʌ -(Y))
Z V ((-XɅ X)V( YɅ-Y ))
Z V (FALSE Ʌ FALSE)
Z V (FALSE Ʌ FALSE)
Z V FALSE
Z
Z
Solusinya harga =
3.000.000
JAWABAN NOMOR 7
ERD
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