Document parenthesized branches of unions in OQL - #11812
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| You can wrap an individual subquery in parentheses to sort and limit only the results from that subquery rather than the sorting and limiting applying to the result of the `UNION`. This is done by giving each subquery its own `ORDER BY`, `LIMIT` and `OFFSET` clauses. | ||
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| For example, the following query uses `UNION` to return the brand and location with the highest and lowest stock levels, sorted in ascending order of the amount of stock. |
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The second select in the example contains an offset, so it's the highest and second lowest.
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