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Queries for sorting with string column #110

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Merged
merged 2 commits into from
Aug 8, 2024
Merged

Queries for sorting with string column #110

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a06556b
Queries for sorting with string column
yadavan88 Jul 25, 2024
c930972
Used Exam table instead of new
yadavan88 Jul 26, 2024
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5 changes: 5 additions & 0 deletions sql-queries-3/order-number-strings/ordering-mssql.sql
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SELECT * FROM Exam ORDER BY CAST(attendance_points AS INT);

SELECT * FROM Exam ORDER BY CONVERT(INT, attendance_points);

SELECT * FROM Exam ORDER BY attendance_points+0;
5 changes: 5 additions & 0 deletions sql-queries-3/order-number-strings/ordering-mysql.sql
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SELECT * FROM Exam ORDER BY attendance_points+0;

SELECT * FROM Exam ORDER BY CONVERT(attendance_points, SIGNED);

SELECT * FROM Exam ORDER BY CAST(attendance_points AS SIGNED);
4 changes: 4 additions & 0 deletions sql-queries-3/order-number-strings/ordering-pg.sql
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SELECT * FROM Exam ORDER BY CAST(attendance_points AS INT);

SELECT * FROM Exam ORDER BY attendance_points::INT;

8 changes: 8 additions & 0 deletions sql-queries-3/order-number-strings/setup.sql
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ALTER TABLE Exam ADD attendance_points VARCHAR(10);
DELETE FROM Exam WHERE id > 4;
UPDATE Exam SET attendance_points = '100' WHERE id=1;
UPDATE Exam SET attendance_points = '-25' WHERE id=2;
UPDATE Exam SET attendance_points = '45' WHERE id=3;
UPDATE Exam SET attendance_points = '-99' WHERE id=4;

SELECT id, attendance_points FROM Exam;