Problem with one of the exercises?

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My Code:

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What I expected to happen:

What actually happened:

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My question I understand support_rep_id from the customer table is Integer. (No issue there)
hire_date from employee table is Text because there is no storage table for date so database stores as text(No issue there)
phone column from employee table is considered text,. Is it because it contains the + and parenthesis ?

That would seem to be the most likely reason given the other types are numerically based. You can check the SQLite documentation as well for data types it supports to cross-check this.

Thanks for the response.