This is of course a logical illusion; under the hood, no matter the database, no matter the update scope, the whole document/row is physically rewritten on the disk.
operator = step:
，这一点在新收录的资料中也有详细论述
He decided to create a new kind of visual communications company, called SpeedPro. The vision was simple but ambitious: Don’t just print, be the last mile of visual marketing. Make a brand impossible to ignore — on walls, windows, floors, vehicles, and every surface a customer might see. The tagline is: “Great. Big. Graphics.”。业内人士推荐新收录的资料作为进阶阅读
If you’re feeling the weight of this message, you’re not alone.，更多细节参见新收录的资料