And once a database connection is established, the customized prompt also shows the alias of the connected database.
并且一旦建立了数据库连接,定制的提示符还会显示所连接数据库的别名。
There is one database heap per database, and the database manager USES it on behalf of all applications connected to the database.
每个数据库都有一个数据库堆,数据库管理器使用它来代表连接到数据库上的所有应用程序。
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