So the question is: what do we do about the db output?
因此问题就是:我们该如何处理数据库输出?
In Listing 3, DB-Access reads the input from the standard input device, processes the input, and writes the results to the standard output device.
在清单3中,DB - Access从标准输入设备读取输入,然后在处理该输入后将结果写到标准输出设备。
SCHEMA_INFO was created through the rake db: migrate command. Querying the SCHEMA_INFO table shows the following output.
SCHEMA_INFO是通过rake db: migrate命令创建的。
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