Return only the columns you need.
Section: SELECT Basics
Select specific columns
sql
sql
SELECT id, email, created_at
FROM users;Explanation
Selecting fewer columns often improves readability and can reduce I/O.
Learn the surrounding workflow
Compare similar commands or jump into common fixes when this command is part of a bigger troubleshooting path.
Related commands
Same sheet · prioritizing SELECT Basics
Select distinct values
Remove duplicate rows for the selected expression set.
Select literals and expressions
Project computed values directly in the result set.