Scenario
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 Estimated Time: 4 min
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Let's say you have a database table called "BOOKS" and the table contains the following columns and rows:
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SQL > select * from books;
+----+----------------------------+---------------------+-------+
| id | title | author | price |
+----+----------------------------+---------------------+-------+
| 1 | The Grapes of Wrath | John Steinbeck | 12.99 |
| 2 | Nineteen Eighty-Four | George Orwell | 8.99 |
| 3 | The Wind-Up Bird Chronicle | Haruki Murakami | 7.99 |
| 4 | Don Quixote | Miguel De Cervantes | 29.99 |
| 5 | Pilgrims Progress | John Bunyan | 17.99 |
| 6 | Robinson Crusoe | Daniel Defoe | 29.05 |
| 7 | Gullivers Travels | Jonathan Swift | 15.98 |
| 8 | Tom Jones | Henry Fielding | 13.59 |
| 9 | Clarissa | Samuel Richardson | 13.59 |
| 10 | Tristram Shandy | Laurence Sterne | 7.59 |
+----+----------------------------+---------------------+-------+ |
...