根据指定列的不同值区间分段,如人员表按年龄段区分代码,MSSQL代码库,德仔网

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【MSSQL】根据指定列的不同值区间分段,如人员表按年龄段区分

作者:Jennifer / 发布于2016/1/25/ 477

SQL如何根据指定列的不同值区间分段,如人员表按年龄段区分

SELECT 
COUNT(CASE WHEN NL BETWEEN 20 AND 30 THEN NL END) AS '20~30',
COUNT(CASE WHEN NL BETWEEN 30 AND 40 THEN NL END) AS '30~40',
COUNT(CASE WHEN NL BETWEEN 40 AND 50 THEN NL END) AS '40~50',
COUNT(CASE WHEN NL BETWEEN 50 AND 60 THEN NL END) AS '50~60',
COUNT(CASE WHEN NL BETWEEN 60 AND 70 THEN NL END) AS '60~70'
FROM 
(SELECT DATEDIFF(YEAR,DATEOFBIRTH,CONVERT(NVARCHAR(20),GETDATE(),23)) NL FROM TABLENAME
WHERE ACCESSIONSTATE IN('1','2','6')
AND DATEOFBIRTH !=''
AND DATEOFBIRTH IS NOT NULL
AND DATEOFBIRTH < '1996-01-01') A



20~30	30~40	40~50	50~60	60~70
722	430	55	37	12

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