???? Concatenation Confusion?

Description:
Ever switch SQL dialects and forget how to join a `first_name` and `last_name`? You're not alone!

???? The Translation:

- MySQL: Uses the dedicated `CONCAT()` function.
- PostgreSQL: Uses the standard double pipe operator (`||`).
- SQL Server: Uses the addition operator (`+`).

✅ Understanding these subtle syntax differences is key to becoming a truly flexible data analyst! Which one do you use most often?

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