SQL Hello, [firstname] [lastname] 1

SQL Hello, [firstname] [lastname]

SELECT concat('Hello, ', firstname, ' ', lastname, '!') FROM users;

Here is what the above code is Doing:
1. We’re selecting the firstname and lastname columns from the users table.
2. We’re concatenating the string ‘Hello, ‘ with the firstname and lastname columns.
3. We’re concatenating the string ‘!’ to the end of the result.

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