Version 8 (modified by 4 days ago) ( diff ) | ,
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Детален приказ на книга
Актери
- Најавен корисник
Чекор 1
Корисникот ја избира книгата за која сака да види подетални информации
Чекор 2
{{[#!sql
$sql = "SELECT book.*, book_details.*, firstname, lastname, author_description, author_image FROM book
INNER JOIN book_author ON book.bookid = book_author.bookid INNER JOIN author ON book_author.authorid = author.authorid INNER JOIN book_details ON book.bookid = book_details.bookid WHERE book.bookid = :bookid; ";
$stmt = $conn->prepare($sql); $stmt->bindParam(':bookid', $param, PDO::PARAM_INT);
$sql2 = "SELECT
b.BookID, b.TotalCopies - COALESCE(COUNT(l.LoanID), 0) AS AvailableCopies FROM Book b LEFT JOIN Loan l ON l.BookCopyID IN (SELECT CopyID FROM Book_Copies WHERE BookID = b.BookID) AND l.Status IN ('On Time', 'Soon', 'Overdue') WHERE
b.BookID = :bookid
GROUP BY
b.BookID, b.TotalCopies;";
}}}
Чекор 3
Attachments (3)
- BT-DB-2.png (236.2 KB ) - added by 4 days ago.
- BT-DB-1.png (88.1 KB ) - added by 4 days ago.
- BT-DB-3.png (118.4 KB ) - added by 4 days ago.
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