bash$ pip install kaisia
...
bash$ kaisia
usage: kaisia [-h] [-V] [-t1 TABLE1] [-t2 TABLE2] [-c CREDENTIALS]
options:
-h, --help show this help message and exit
-V, --version show program's version number and exit
-t1 TABLE1, --table1 TABLE1
Table1 full GBQ id
-t2 TABLE2, --table2 TABLE2
Table2 full GBQ id
-c CREDENTIALS, --credentials CREDENTIALS
GCP Service Account key