WITH HighestTradeVolume (SELECT COUNT(t. shares) AS "Total Trades" sl. stock_symbol AS "Stock SYmbol", se. symbol AS "Stock Exchange Symbol", se. name AS "Stock Exchange" FROM stock_exchange se JOIN trade t ON se. stock_ex_id = t. stock_ex_id JOIN stock_listing sl ON t. stock_id = sl. stock_id AND sl. stock_ex_id = t. stock_ex_id GROUP by se. name, se. symbol, sl. stock_symbol ORDER BY se. name, se. symbol, sl. stock_symbol) HAVING SUM(t. shares) = (SELECT MAX(SUM(t. shares)) FROM trade t);

Explanation:

SELECT DISTINCT

sl.stock_symbol AS "Stock SYmbol",

se.symbol AS "Stock Exchange Symbol",

se.name AS "Stock Exchange"

COUNT(t.shares) OVER (PARTITION BY sl.stock_symbol,se.symbol,se.name) AS "Total Trades"

MAX(t.trade_amt) OVER (PARTITION BY sl.stock_symbol,se.symbol,se.name) AS "Total Trade"

FROM stock_exchange se

JOIN trade t

ON se.stock_ex_id = t.stock_ex_id

JOIN stock_listing sl

ON t.stock_id = sl.stock_id AND sl.stock_ex_id = t.stock_ex_id

ORDER BY se.name, se.symbol, sl.stock_symbol;

twist boundary

explanation:

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