how to config silent mode in `database.json`

[Diluka]

I'm submitting a...

• [ ] Bug report
• [ ] Feature request
• [x] Question

Current behavior

print all SQLs

Expected behavior

have a silent option to disable successful SQL print

Minimal reproduction of the problem with instructions

What is the motivation / use case for changing the behavior?

how to config silent mode in database.json

Environment

db-migrate version: X.Y.Z
plugins with versions: X.Y.Z
db-migrate driver with versions: 

Additional information:
- Node version: XX  
- Platform:  

Others: