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Databases Reporting with SQL Working with Text Concatenating Text

Stacy Villibord
Stacy Villibord
2,017 Points
Posted by Stacy Villibord
Stacy Villibord
2,017 Points

Correct my syntax

In the library database there's a patrons table listing all the users of the library. The columns are id, first_name, last_name, address, email, library_id and zip_code.

Generate a list of strings that are in the following format: Andrew Chalkley andrew@teamtreehouse.com. Concatenate the first name, last name and email address for all users.

Alias it to to_field. This will be used in the "To" field in email marketing.

SELECT first_name || ' ' || last_name || ' ' || email FROM patrons AS "to_field";

1 Answer

Steven Parker
Steven Parker
231,268 Points
Steven Parker
Steven Parker
231,268 Points

I see two issues at first glance:

  • the alias must immediately follow the concatenated field (before the FROM clause)
  • the email address needs to be surrounded in <> characters (as part of the concatenated literals)