SQL Server的游标循环使用方法如下:
DECLARE cursor_name CURSOR FOR SELECT column1, column2 FROM table_name;
OPEN cursor_name;
FETCH NEXT FROM cursor_name INTO @variable1, @variable2;
WHILE @@FETCH_STATUS = 0
BEGIN
-- 处理数据的逻辑
FETCH NEXT FROM cursor_name INTO @variable1, @variable2;
END
CLOSE cursor_name;
DEALLOCATE cursor_name;
注意事项:
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