Easily retrieve and view automatic maintenance configuration information from the command line.
从命令行方便地检索和查看自动维护配置信息。
2
The message classes are used to retrieve messages generated by a previous operation such as a command call.
消息类用于检索前一个操作(比如一个命令调用)生成的消息。
3
I've shown how to build the connection, construct an SQL command, retrieve the data, make changes, and either undo changes or apply them back to the database.