Changes between Initial Version and Version 1 of normalization

Timestamp:

06/29/25 11:54:38 (3 days ago)

Author:

221046

Comment:

--

normalization

@@ +1 @@
+= Нормализација
+
+Функциски зависности (FD)
+FD = {
+
+# Track
+track_id → name, album_id, media_type_id, genre_id, composer, milliseconds, bytes
+
+# Album
+album_id → title, artist_id
+
+# Artist
+artist_id → name
+
+# Genre
+genre_id → name
+
+# Media Type
+media_type_id → name
+
+# Customer (со враќање на personal info атрибути)
+customer_id → first_name, last_name, company, support_rep_id,
+               address, city, state, country, postal_code, phone, fax, email
+
+# Employee (со враќање на personal info атрибути)
+employee_id → first_name, last_name, title, reports_to, birth_date, hire_date,
+               address, city, state, country, postal_code, phone, fax, email
+
+# Invoice
+invoice_id → customer_id, invoice_date, billing_address, billing_city, billing_state,
+              billing_country, billing_postal_code, total
+
+# InvoiceLine
+invoice_line_id → invoice_id, track_id, quantity
+
+# Playlist
+playlist_id → name
+
+# PlaylistTrack
+playlist_track_id → playlist_id, track_id
+
+# Price
+price_id → value, date, track_id
+
+}
+Канонска покривање (Fc)
+Fc = {
+
+track_id → name,
+track_id → album_id,
+track_id → media_type_id,
+track_id → genre_id,
+track_id → composer,
+track_id → milliseconds,
+track_id → bytes,
+
+album_id → title,
+album_id → artist_id,
+
+artist_id → name,
+
+genre_id → name,
+
+media_type_id → name,
+
+customer_id → first_name,
+customer_id → last_name,
+customer_id → company,
+customer_id → support_rep_id,
+customer_id → address,
+customer_id → city,
+customer_id → state,
+customer_id → country,
+customer_id → postal_code,
+customer_id → phone,
+customer_id → fax,
+customer_id → email,
+
+employee_id → first_name,
+employee_id → last_name,
+employee_id → title,
+employee_id → reports_to,
+employee_id → birth_date,
+employee_id → hire_date,
+employee_id → address,
+employee_id → city,
+employee_id → state,
+employee_id → country,
+employee_id → postal_code,
+employee_id → phone,
+employee_id → fax,
+employee_id → email,
+
+invoice_id → customer_id,
+invoice_id → invoice_date,
+invoice_id → billing_address,
+invoice_id → billing_city,
+invoice_id → billing_state,
+invoice_id → billing_country,
+invoice_id → billing_postal_code,
+invoice_id → total,
+
+invoice_line_id → invoice_id,
+invoice_line_id → track_id,
+invoice_line_id → quantity,
+
+playlist_id → name,
+
+playlist_track_id → playlist_id,
+playlist_track_id → track_id,
+
+price_id → value,
+price_id → date,
+price_id → track_id
+}
+