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  • sp_executesql用法备忘

    构造动态SQL,从游标中获取返回值

    declare @TableName varchar(200)



    set @TableName='TmpBaseCustomer_9'

    declare @sql nvarchar(4000)
    set @sql=N'
    declare @RepeatStr varchar(1000)
    declare @clName    varchar(200)
    declare @total    int
    set @RepeatStr=''''
    declare curCustomer CURSOR for
    select 名称,count(名称) as total from '+quotename(@TableName)+' group by 名称 having(count(*))>1
    open curCustomer
    fetch next from curCustomer into @clName,@total
    while @@Fetch_Status=0
    begin
        if (@total>1)
            begin
                set @RepeatStr=@RepeatStr+'',''+@clName+''有【''+cast(@total as varchar)+''】行''            
            end
        fetch next from curCustomer into @clName,@total
    end
    close curCustomer
    deallocate curCustomer
    select @nRepeatStr=@RepeatStr
    '
    declare @nRepeatStr varchar(1000)

    exec sp_executesql @sql,
        N'@nRepeatStr varchar(1000) out',
        @nRepeatStr out

    select @nRepeatStr





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  • 原文地址:https://www.cnblogs.com/emilchan/p/1337195.html
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