Depending on the size of the table and network traffic, query performance could suffer.
取决于表的大小和网络的传输情况，查询性能可能会很糟糕。
2
Some real-life DSLs are: traffic and road signs, flat-pack furniture assembly plans, a chess game (and most other table games), and electronic circuits design.
From the table we can see that within half a year of 1998, a total of 532 people became the victims of traffic accidents, of whom 460 were injured and 72 killed.