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oleksiimld80
oleksiimld80
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Badge for "Logical operators" chapter from SQL course.

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- "Hipparcos"
Answered at least once on all free questions in "Logical operators" chapter of "SQL" course.

- "Rigil Kentaurus"
Answered at least once correctly on all free questions in "Logical operators" chapter of "SQL" course.

- "Toliman"
Completed free "Logical operators" chapter of "SQL" course.

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