如果你要把一个序列作为参数传给一个函数，用元组能够降低由于别名使用导致未知情况而带来的风险。
If you are passing a sequence as an argument to a function, using tuples reduces the potential for unexpected behavior due to aliasing.
如果是您使用ORALCE的客户端，你可以提供别名，然后您的客户端会从一个叫做tnsnames . or a的文件中读取连接信息。
If your client is using the Oracle client libraries, you can also provide an alias, and your client will transparently fetch the associated information from a file called tnsnames. ora.
如果是您使用ORALCE的客户端，你可以提供别名，然后您的客户端会从一个叫做tnsnames . or a的文件中读取连接信息。
If your client is using the Oracle client libraries, you can also provide an alias, and your client will transparently fetch the associated information from a file called tnsnames. ora.
应用推荐