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📜  sql sum if - SQL 代码示例

📅  最后修改于: 2022-03-11 15:04:57.661000             🧑  作者: Mango

代码示例1
/* Count the number of ColumnA lines where ColumnB is above 10 */
SELECT COLUMNA
     , SUM(CASE WHEN COLUMNB > 10 THEN 1 ELSE 0 END) AS COUNT_ABOVE_TEN
FROM TABLEA
GROUP BY COLUMNA