如何从 select 语句中循环访问一组记录?
假设我有一些记录,我希望循环遍历并对每条记录执行一些操作。这是我的 select 语句的原始版本:
select top 1000 * from dbo.table
where StatusID = 7
最佳答案
通过使用 T-SQL 和游标,如下所示:
DECLARE @MyCursor CURSOR;
DECLARE @MyField YourFieldDataType;
BEGIN
SET @MyCursor = CURSOR FOR
select top 1000 YourField from dbo.table
where StatusID = 7
OPEN @MyCursor
FETCH NEXT FROM @MyCursor
INTO @MyField
WHILE @@FETCH_STATUS = 0
BEGIN
/*
YOUR ALGORITHM GOES HERE
*/
FETCH NEXT FROM @MyCursor
INTO @MyField
END;
CLOSE @MyCursor ;
DEALLOCATE @MyCursor;
END;
关于sql - 如何在 SQL Server 中循环访问一组记录?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/20662356/