Changes between Version 2 and Version 3 of Normalization002


Ignore:
Timestamp:
09/04/25 11:45:21 (5 days ago)
Author:
201205
Comment:

--

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  • Normalization002

    v2 v3  
    1 == Нормализација ==
    21
    3 **Почетна релација:**
    4 
    5 R(!UserId, !FirstName, !LastName, Email, Username, Password, City, Neighborhood, Bio, Quote,  !BookId, Title, Author, Language, !ImageURL,  !BookISBNId, ISBN,  !GenreId, Genre,  !InventoryId, Availability, Condition,    !WishId, Priority,  !RequestId, !RequestStatus, !RequestDate,  !TransactionId,  !BorrowDate, !ReturnDate, !BorrowDuration,  !SwapId,  !ReviewId, Rating, !ReviewerComment, !ReviewDate,  !MessageId,  !MsgTime, !MsgDate, !MessageContent,  !FriendshipId,  !DateCreated, !FriendshipStatus,  !ReportId, !ReportType, !ReportDate, Details, !ReportStatus, !ReportedEntity,  !NotificationId, Type, !NotifTime, !NotifDate, !NotificationStatus, !TN_Description, !MN_Description, !FR_Description, !BR_Description)
    6 
    7 
    8 **Функционални зависности:**
    9 
    10 !UserId -> !FirstName, !LastName, Email, Username, Password, City, Neighborhood, Bio, Quote
    11 Email -> !UserId, !FirstName, !LastName, Username, Password, City, Neighborhood, Bio, Quote
    12 Username -> !UserId, !FirstName, !LastName, Email, Password, City, Neighborhood, Bio, Quote
    13 
    14 !BookId -> Title, Author, Language, !ImageURL
    15 
    16 !BookISBNId -> !BookId, ISBN
    17 
    18 !GenreId -> !BookId, Genre
    19 
    20 !InventoryId-> !UserId, Availability, Condition, !BookId
    21 
    22 !WishId -> !UserId, Priority, !BookId
    23 
    24 !RequestId -> !UserId, !InventoryId, !RequestStatus, !RequestDate
    25 
    26 !TransactionId -> !RequestId, !BorrowDate, !ReturnDate, !BorrowDuration
    27 
    28 !SwapId -> !TransactionId
    29 
    30 !ReviewId -> !TransactionId, !UserId, Rating, !ReviewerComment, !ReviewDate
    31 
    32 !MessageId -> !UserId, !MsgTime, !MsgDate, !MessageContent
    33 
    34 !FriendshipId -> !UserId, !DateCreated, !FriendshipStatus
    35 
    36 !ReportId -> !UserId, !ReportType, !ReportDate, Details, !ReportStatus, !ReportedEntity
    37 
    38 !NotificationId -> Type, !NotifTime, !NotifDate, !NotificationStatus
    39 
    40 !TransactionId -> !NotificationId, !TN_Description
    41 
    42 !MessageId -> !NotificationId, !MN_Description
    43 
    44 !FriendshipId -> !NotificationId, !FR_Description
    45 
    46 !RequestId -> !NotificationId, !BR_Description
    47 
    48 
    49 
    50 === ===
    51 
    52 **Лево:** !BookISBNId,!GenreId, !WishId, !SwapId, !ReviewId, !ReportId
    53 
    54 **Десно:** FirstName, LastName, Password, City, Neighborhood, Bio, Quote,Title, Author, Language, ImageURL,  ISBN,  Genre, Availability, Condition, Priority, RequestStatus, RequestDate, BorrowDate, ReturnDate, BorrowDuration, Rating, ReviewerComment, ReviewDate, MsgTime, MsgDate, MessageContent,DateCreated, FriendshipStatus
    55 
    56 **Од двете страни:** !UserId, Email, Username, !BookId, !InventoryId, !RequestId, !TransactionId, !MessageId, !FriendshipId, !NotificationId, !TransactionId, !MessageId, !FriendRequestId, !BookRequestId
    57 
    58 === ===
    59 
    60 **BookISBNId** += {!BookId, ISBN, Title, Author, Language, !ImageURL}
    61         Не ги содржи сите атрибути
    62 
    63 **GenreId** += {!BookId, Genre, Title, Author, Language, !ImageURL}
    64         Не ги содржи сите атрибути
    65 
    66 **WishId** += {!UserId, Priority, !BookId, Title, Author, Language, !ImageURL, FirstName, LastName, Email, Username, Password, City, Neighborhood, Bio, Quote}
    67         Не ги содржи сите атрибути
    68 
    69 **SwapId** += {!TransactionId, !RequestId, !UserId, !InventoryId, !BorrowDate, !ReturnDate, !BorrowDuration,  !BookId, !RequestStatus, !RequestDate, !FirstName, !LastName, Email, Username, Password, City, Neighborhood, Bio, Quote, Availability, Condition, Title, Author, Language, !ImageURL}
    70         Не ги содржи сите атрибути
    71 
    72 **ReviewId** += {!TransactionId, !UserId, Rating, !ReviewerComment, !ReviewDate,  !RequestId, !InventoryId, !BorrowDate, !ReturnDate, !BorrowDuration, !FirstName, !LastName, Email, Username, Password, City, Neighborhood, Bio, Quote, !BookId, !RequestStatus, !RequestDate, Availability, Condition, Title, Author, Language, !ImageURL}
    73         Не ги содржи сите атрибути
    74 
    75 **ReportId** += {!UserId, !ReportType, !ReportDate, Details, !ReportStatus, !ReportedEntity, !FirstName, !LastName, Email, Username, Password, City, Neighborhood, Bio, Quote}
    76         Не ги содржи сите атрибути
    77 
    78 
    79 
    80 **!ReviewId, !BookISBNId, !GenreId, !WishId, !SwapId, !ReportId** = { !ReviewId, !BookISBNId, !GenreId, !WishId, !SwapId, !ReportId,     !NotificationId, !TransactionId, !UserId, Rating, !ReviewerComment, !ReviewDate, !InventoryId, !BorrowDate, !ReturnDate, !BorrowDuration, !FirstName, !LastName, Email, Username, Password, City, Neighborhood, Bio, Quote, Availability, Condition, !BookId, Title, Author, Language, !ImageURL, ISBN, Genre, Priority, !ReportType, !ReportDate, Details, !ReportStatus, !ReportedEntity,    !MessageId, !FriendshipId, !RequestId, Type, !NotifTime, !NotifDate, !NotificationStatus, MsgTime, !MsgDate, !MessageContent, !DateCreated, !FriendshipStatus,  !RequestStatus, !RequestDate,  !TN_Description, !MN_Description, !FR_Description, !BR_Description}
    81 
    82 **Следува дека е единствен кандидат клуч и го прогласуваме за примарен клуч. **
    83 
    84 === ===
    85 
    86 **Декомпозиција**
    87 
    88 
    89 R1 (BookId, Title, Author, Language, ImageURL)
    90 
    91 
    92 R2 (BookId, ReviewId, BookISBNId, GenreId, WishId, SwapId, ReportId,     NotificationId, TransactionId, UserId, Rating, ReviewerComment, ReviewDate, InventoryId, BorrowDate, ReturnDate, BorrowDuration, FirstName, LastName, Email, Username, Password, City, Neighborhood, Bio, Quote, Availability, Condition, ISBN, Genre, Priority, ReportType, ReportDate, Details, ReportStatus, ReportedEntity,    MessageId, FriendshipId, RequestId, Type, NotifTime, NotifDate, Description, NotificationStatus, MsgTime, MsgDate, MessageContent, DateCreated, FriendshipStatus,  RequestStatus, RequestDate,  TN_Description, MN_Description, FR_Description, BR_Description)
    93 
    94 R21 (BookISBNId, GenreId, BookId, ISBN, Genre)
    95 
    96 
    97 R22 (BookISBNId, GenreId, BookId, ReviewId, BookISBNId, GenreId, WishId, SwapId, ReportId,     NotificationId, TransactionId, UserId, Rating, ReviewerComment, ReviewDate, InventoryId, BorrowDate, ReturnDate, BorrowDuration, FirstName, LastName, Email, Username, Password, City, Neighborhood, Bio, Quote, Availability, Condition, Priority, ReportType, ReportDate, Details, ReportStatus, ReportedEntity,    MessageId, FriendshipId, RequestId, Type, NotifTime, NotifDate, NotificationStatus, MsgTime, MsgDate, MessageContent, DateCreated, FriendshipStatus,  RequestStatus, RequestDate,  TN_Description, MN_Description, FR_Description, BR_Description)
    98 
    99 R211(BookId, BookISBNId, ISBN)
    100 
    101 
    102 R212(BookId, GenreId, Genre)
    103 
    104 R221(UserId, FirstName, LastName, Email, Username, Password, City, Neighborhood, Bio, Quote)
    105 
    106 
    107 R222(UserId, BookISBNId, GenreId, BookId, ReviewId, BookISBNId, GenreId, WishId, SwapId, ReportId,     NotificationId, TransactionId, Rating, ReviewerComment, ReviewDate, InventoryId, BorrowDate, ReturnDate, BorrowDuration, Availability, Condition, Priority, ReportType, ReportDate, Details, ReportStatus, ReportedEntity,    MessageId, FriendshipId, RequestId, Type, NotifTime, NotifDate,NotificationStatus, MsgTime, MsgDate, MessageContent, DateCreated, FriendshipStatus,  RequestStatus, RequestDate,  TN_Description, MN_Description, FR_Description, BR_Description)
    108 
    109 
    110 R2221(NotificationId, Type, NotifTime, NotifDate, NotificationStatus)
    111 
    112 
    113 R2222(NotificationId, UserId, BookISBNId, GenreId, BookId, ReviewId, BookISBNId, GenreId, WishId, SwapId, ReportId,     NotificationId, TransactionId, Rating, ReviewerComment, ReviewDate, InventoryId, BorrowDate, ReturnDate, BorrowDuration, Availability, Condition, Priority, ReportType, ReportDate, Details, ReportStatus, ReportedEntity,    MessageId, FriendshipId, RequestId,  MsgTime, MsgDate, MessageContent, DateCreated, FriendshipStatus,  RequestStatus, RequestDate,  TN_Description, MN_Description, FR_Description, BR_Description)
    114 
    115 R22221(TransactionId, NotificationId, TN_Description, RequestId, BorrowDate, ReturnDate, BorrowDuration)
    116 
    117 
    118 R22222(TransactionId, NotificationId, UserId, BookISBNId, GenreId, BookId, ReviewId, BookISBNId, GenreId, WishId, SwapId, ReportId,     NotificationId, TransactionId, Rating, ReviewerComment, ReviewDate, InventoryId, BorrowDate, ReturnDate, BorrowDuration, Availability, Condition, Priority, ReportType, ReportDate, Details, ReportStatus, ReportedEntity,    MessageId, FriendshipId, RequestId,  MsgTime, MsgDate, MessageContent, DateCreated, FriendshipStatus,  RequestStatus, RequestDate,  MN_Description, FR_Description, BR_Description)
    119 
    120 R222211(TransactionId, NotificationId, TN_Description)
    121 
    122 
    123 R222212(TransactionId, RequestId, BorrowDate, ReturnDate, BorrowDuration)
    124 
    125 R222221(MessageId, NotificationId, MN_Description, UserId, MsgTime, MsgDate, MessageContent)
    126 
    127 
    128 R222222(MessageId, TransactionId, NotificationId, UserId, BookISBNId, GenreId, BookId, ReviewId, BookISBNId, GenreId, WishId, SwapId, ReportId,     NotificationId, TransactionId, Rating, ReviewerComment, ReviewDate, InventoryId, BorrowDate, ReturnDate, BorrowDuration, Availability, Condition, Priority, ReportType, ReportDate, Details, ReportStatus, ReportedEntity,     FriendshipId, RequestId,  DateCreated, FriendshipStatus,  RequestStatus, RequestDate,   FR_Description, BR_Description)
    129 
    130 R2222211(MessageId, NotificationId, MN_Description)
    131 
    132 
    133 R2222212(MessageId, UserId, MsgTime, MsgDate, MessageContent)
    134 
    135 R2222221(FriendshipId,  NotificationId, FR_Description, UserId, DateCreated, FriendshipStatus)
    136 
    137 
    138 R2222222(FriendshipId, MessageId, TransactionId, NotificationId, UserId, BookISBNId, GenreId, BookId, ReviewId, BookISBNId, GenreId, WishId, SwapId, ReportId,     NotificationId, TransactionId, Rating, ReviewerComment, ReviewDate, InventoryId, BorrowDate, ReturnDate, BorrowDuration, Availability, Condition, Priority, ReportType, ReportDate, Details, ReportStatus, ReportedEntity,     RequestId,   RequestStatus, RequestDate,  BR_Description)
    139 
    140 
    141 R22222211(FriendshipId,  NotificationId, FR_Description)
    142 
    143 
    144 R22222212(FriendshipId, UserId, DateCreated, FriendshipStatus)
    145 
    146 R22222221(ReportId, UserId, ReportType, ReportDate, Details, ReportStatus, ReportedEntity)
    147 
    148 
    149 R22222222( ReportId, FriendshipId, MessageId, TransactionId, NotificationId, UserId, BookISBNId, GenreId, BookId, ReviewId, BookISBNId, GenreId, WishId, SwapId,    NotificationId, TransactionId, Rating, ReviewerComment, ReviewDate, InventoryId, BorrowDate, ReturnDate, BorrowDuration, Availability, Condition, Priority,   RequestId,   RequestStatus, RequestDate,  BR_Description)
    150 
    151 R222222221( ReviewId, TransactionId, UserId, Rating, ReviewerComment, ReviewDate)
    152 
    153 
    154 R222222222( ReviewId, ReportId, FriendshipId, MessageId, TransactionId, NotificationId, UserId, BookISBNId, GenreId, BookId,  BookISBNId, GenreId, WishId, SwapId,    NotificationId, TransactionId, InventoryId, BorrowDate, ReturnDate, BorrowDuration, Availability, Condition, Priority,   RequestId,   RequestStatus, RequestDate,  BR_Description)
    155 
    156 
    157 R2222222221(RequestId, NotificationId, BR_Description,  UserId, InventoryId, RequestStatus, RequestDate)
    158 
    159 
    160 R2222222222( RequestId,  ReportId, FriendshipId, MessageId, TransactionId, NotificationId, UserId, BookISBNId, GenreId, BookId,  BookISBNId, GenreId, WishId, SwapId,    NotificationId, TransactionId, InventoryId, BorrowDate, ReturnDate, BorrowDuration, Availability, Condition, Priority,   RequestId)
    161 
    162 
    163 R22222222211(RequestId, NotificationId, BR_Description)
    164 
    165 
    166 R22222222212(RequestId,  UserId, InventoryId, RequestStatus, RequestDate)
    167 
    168 R22222222221(TransactionId, SwapId, RequestId, BorrowDate, ReturnDate, BorrowDuration)
    169 
    170 
    171 R22222222222( TransactionId, SwapId, ReportId, FriendshipId, MessageId, TransactionId, NotificationId, UserId, BookISBNId, GenreId, BookId,  BookISBNId, GenreId, WishId,     NotificationId,  InventoryId, Availability, Condition, Priority,   RequestId)
    172 
    173 
    174 R222222222211(TransactionId, RequestId, BorrowDate, ReturnDate, BorrowDuration)
    175 
    176 
    177 R222222222211(TransactionId, SwapId)
    178 
    179 
    180 R222222222221( InvenotryId, WishId, UserId, Availability, Condition, BookId,  Priority)
    181 
    182 
    183 R222222222222( ReportId, FriendshipId, MessageId, TransactionId, NotificationId, UserId, BookISBNId, GenreId, BookId,  BookISBNId, GenreId, WishId, SwapId,    NotificationId, TransactionId, InventoryId,  RequestId)
    184 
    185 R2222222222211( InvenotryId, UserId, Availability, Condition, BookId)
    186 
    187 
    188 R2222222222212( WishId, UserId, Priority, BookId)
     2* [wiki:Normalization011 прв обид]
     3* [wiki:Normalization012 втор обид]