在Hive中使用SQL進行復雜查詢需要使用HiveQL語言，以下是一些常見的復雜查詢示例：
SELECT column1, column2
FROM table1
WHERE column1 IN (SELECT column1 FROM table2 WHERE condition);
SELECT COUNT(*), SUM(column1), AVG(column2)
FROM table1
GROUP BY column3;
SELECT table1.column1, table2.column2
FROM table1
JOIN table2 ON table1.join_column = table2.join_column;
SELECT table1.column1, table2.column2, table3.column3
FROM table1
JOIN table2 ON table1.join_column = table2.join_column
JOIN table3 ON table2.join_column = table3.join_column;
SELECT column1, column2
FROM table1
WHERE column1 IN (SELECT column1 FROM table2 WHERE condition)
AND column2 IN (SELECT column2 FROM table3 WHERE condition);
這些示例展示了在Hive中使用SQL進行復雜查詢的一些常見用例，可以根據具體的需求和數據結構來編寫更復雜的查詢語句。
