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Showing content with the highest reputation on 05/31/2020 in all areas
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If you received a message from a complete stranger, would you click on the links?1 point
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Use explicit joins FROM A JOIN B ON ... rather than confusing the issue by putting the join conditions in a WHERE clause (less efficient too). Also there may be employee/s at the top of the management tree without a manager. With my LEFT JOIN these would still appear, with w3fools's version they would not.1 point
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