SELECt * FROM ( SELECt @row := @row +1 AS rownum, [column name] FROM ( SELECT @row :=0) r, [table name] ) ranked WHERe rownum % [n] = 1
SELECt * FROM ( SELECt @row := @row +1 AS rownum, [column name] FROM ( SELECT @row :=0) r, [table name] ) ranked WHERe rownum % [n] = 1
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