MySQL pivot row into dynamic number of columns

mysqlsqlpivot
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MySQL Error 1093 - Can't specify target table for update in FROM clause

mysqlsubquerysql-deletemysql-error-1093
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What's the difference between INNER JOIN, LEFT JOIN, RIGHT JOIN and FULL JOIN?

mysqlsqljoininner-joinouter-join
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How can I do a FULL OUTER JOIN in MySQL?

mysqlsqljoinouter-joinfull-outer-join
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Using LIMIT within GROUP BY to get N results per group?

mysqlsqlgroup-bygreatest-n-per-groupranking
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