The document discusses theta joins in SQL, which allow users to specify a condition in the ON clause to join tables. It provides examples of theta join exercises and their solutions involving customer names, ages grouped between minimum and maximum values, and joining tables based on conditions.

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2. Theta Join = this is the general join everybody uses because it allows you
to specify the condition (the ON clause in SQL).
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3. Exercise 1-Theta Join
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4. Exercise 1-Theta Join - solution
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5. Exercise 2-Theta Join
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6. Exercise 2-
Theta Join -
solution
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7. Exercise 3-Theta Join Display customer
name, age Group
where age is between
age min and age max
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8. Exercise 3-Theta Join Solution
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9. Exercise 4-Theta Join
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10. Exercise 4-Theta Join- solution
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