(SQL Server)SQL Server为多个表添加新的列

sql如下:

/*
 * DECLARE:声明变量
 * CONVERT:格式转换 详情查看 https://blog.csdn.net/lykangjia/article/details/51725768
*/

DECLARE @Order CHARACTER(20)
DECLARE @NUM INT
DECLARE @sql CHARACTER(500)
SET @NUM = 0
WHILE (@NUM < 51)
    BEGIN
        SET @Order = CONVERT(CHARACTER(10), @NUM)
        SET @sql = 'ALTER TABLE dbo.Chapter_'+ @Order +' ADD CpVolumeID varchar(36)'
        EXEC(@sql)
        SET @NUM = @NUM + 1
    END 

 

 

 

博客参考:

convert(varchar(10),字段名,转换格式):https://blog.csdn.net/lykangjia/article/details/51725768

SQL Server为多个表添加新的列:https://www.cnblogs.com/ywei221/p/3230621.html

posted @ 2022-04-22 21:54  细胞何  阅读(212)  评论(0编辑  收藏  举报