Return phone and masked — only the last 4 digits visible, the first 6 replaced by '******' — for customers with a phone.
10 rows with columns phone, masked — first 3 shown:
| # | ||
|---|---|---|
| 1 | 9876500001 | ******0001 |
| 2 | 9876500003 | ******0003 |
| 3 | 9876500004 | ******0004 |
Run your code to see the output here.