Straightforwardly, they require a little bit of bandwidth to negotiate over the wire, and a modicum of CPU and memory resources on the RDBMS machine to allocate each one.
"The future" or not, it's getting a bit silly for GUI application developers to perpetually be one bad pointer dereference away from scribbling all over their application's memory.
不管“未来”到达与否，开发者为了一个损坏的指针不断的遍历内存，多少是有些愚蠢的事情了。
3
The only Write operation permitted on a flash memory device is to change a bit from a one to a zero.