Interlude: Troubleshooting for 'Invalid object name'

When you login, and enter your first script,  

you may see this: 

Msg 208, Level 16, State 1, Line 1 

Invalid object name 'ONE'. 

 

For some reason, database may not recognize the appropriate database to link. 

When this happen, please use this script: 

 

Use /*your database name*/ 

GO 

 

For example, for database like  

Please enter  

 

Use LinkStart 

GO 

 

Then go on your script which you were working on .