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1. I hope this email finds you well.
2. Any response will be appreciated
3. Please feel free to let me know if
4. I would be great if you could
5. Then we can see if that is the case
6. I would like to inquire if…

PostgreSQL tip

1. extract number from string  :input:  select substring (column_name from ‘[0-9]+’) as new_column_name  from table..
2. create table : int null  null represents that the entry can be null if missing data