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database/smoke_test.sql

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+USE [BsevitaLibrary];
+GO
+SET NOCOUNT ON;
+
+SELECT 'Students' AS Entity, COUNT(*) AS Total FROM dbo.Students WHERE IsActive = 1
+UNION ALL SELECT 'Books', COUNT(*) FROM dbo.Books WHERE IsActive = 1
+UNION ALL SELECT 'ActiveLoans', COUNT(*) FROM dbo.Loans WHERE ReturnedAt IS NULL
+UNION ALL SELECT 'OverdueLoans', COUNT(*) FROM dbo.Loans WHERE ReturnedAt IS NULL AND DueAt < SYSUTCDATETIME();
+
+SELECT l.LoanId, s.CardNumber, CONCAT(s.FirstName, ' ', s.LastName) AS StudentName,
+       b.BookNumber, b.Title, l.LoanedAt, l.DueAt, l.ReturnedAt
+FROM dbo.Loans l
+JOIN dbo.Students s ON s.StudentId = l.StudentId
+JOIN dbo.Books b ON b.BookId = l.BookId
+ORDER BY l.LoanedAt DESC;
+GO