版权声明:未经本人允许,必须声明原文转载地址和作者! https://blog.csdn.net/liuchang19950703/article/details/86002720
应用场景:
向用户表中查询出需要发短信的管理员的手机号码,拼接成字符串批量处理。
将内容转换为xml格式内容
查询语句:
SELECT substring(NewCol,0,LEN(T.NewCol)-1) AS NewPhone FROM (
(SELECT (
SELECT CASE WHEN (cellphone IS NULL OR LEN(cellphone)=0) THEN '' ELSE (cellphone + ',') END
FROM dbo.Users WHERE is_night_alarm=1 FOR XML PATH('')) AS NewCol)) AS T
结果: