仅仅因为你的源代码不包含任何循环语法并不意味着没有迭代发生.如果您的代码在一个表中插入 10 行，则它总是比插入 1 行需要 10 倍的时间.

Just because your source code does not contain any looping syntax does not mean there is no iteration happening. If your code is inserting 10 rows into a table, it will always take 10 times longer than inserting 1 row.