在动态SQL语句中进行变量的值绑定比较麻烦,这儿做个记录

declare @COUNT int,@sql nvarchar(max)
set @sql = \'select @COUNT = count(id) from tbl_sys_dict where root_key = \'\'WT_TYPE\'\'\'
execute sp_executesql @sql, N\'@COUNT int output\', @COUNT output
print @COUNT

 

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