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SQL Tutorial for Beginners
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bookSQL And, Or, Not

Pyyhkäise näyttääksesi valikon

To combine multiple conditions, use AND, OR, and NOT keywords, and also brackets (, ) to set the priority.

For example, you want to select all songs' titles, that were produced between 1970 and 1990 years:


              
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SELECT title FROM songs
WHERE year >= 1970 AND year <= 1990
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Or you can select all records where singer is not Pink Floyd:


              
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SELECT * FROM songs
WHERE NOT singer = 'Pink Floyd'
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You can combine conditions for different columns, but not forget about brackets to define the priority:


              
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SELECT * FROM songs
WHERE NOT (singer = 'Pink Floyd' AND price = 100)
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Tehtävä

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Find all songs titles and prices of 20th century, where the price is less than 500, or where the singer is AC/DC.

Ratkaisu

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