如果您正在寻找命令行工具:
1.我的SQL: http://dev.mysql.com/doc/refman/5.5/en /mysql.html [^ ]

2. SQl: http://msdn.microsoft.com/zh-CN /library/ms170207(v=sql.105).aspx [ ^ ]

3. Oracle: http://www. oracle.com/webfolder/technetwork/tutorials/obe/fmw/wls/10g/r3/systemmgmt/command_line/command_line.html [

If you are looking for command line tools :
1. My SQL : http://dev.mysql.com/doc/refman/5.5/en/mysql.html[^]

2. SQl : http://msdn.microsoft.com/en-us/library/ms170207(v=sql.105).aspx[^]

3. Oracle : http://www.oracle.com/webfolder/technetwork/tutorials/obe/fmw/wls/10g/r3/systemmgmt/command_line/command_line.html[^]

Note: A basic google search might display all these links, I do not think any extra ordinary talent required to google somethin... You could have modified your question as "Help me how to google"