当对数据库建立第一次连接时，就分配数据库内存。

When the first connection is established against a database, the database memory is allocated.

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注意：如果是第一次连接这个云实例，会看到与图8相似的代码。

Note: if it is the first time you are connecting to this specific cloud instance, you will see code like that in Figure 8.

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第一次连接开始时间：这是发给数据服务器的第一个连接请求的时间。

First connection start time - This is the time of the first connection request made to the data server.

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