如果需要，创建另一个新的数据库以存储整个一年或者特定时间段内的假期信息。

If needed, create another new database to store holiday information for an entire year or for a specified time duration.

youdao

数据仓库和业务智能化环境的一项常见需求是，维护特定时间段内滚动变化的历史数据。

A frequent requirement for data warehouses and business intelligence environments involves maintaining a rolling history of select data over a given period of time.

youdao

但如果在此时间段内没有事件，或者客户端需要向服务器发送更多的数据，连接将关闭，客户端将在一段时间后重新打开另一个连接。

But if there is no event in that timeframe, or if the client has more data to send to the server, the connection is closed and the client reopens another connection after a certain amount of time.

youdao