SQL FROM
Tells the database which table to read from — every query needs one.
What & Why
FROM names the table a query reads its rows from. It always follows SELECT in how you write a query, though the database actually reads FROM first when it runs — a detail covered in the Execution Order lesson.
See How It Works
| id | name | channel | spend | start_date | end_date | status | target_segment |
|---|---|---|---|---|---|---|---|
| 1 | Spring Launch | google_ads | 55000.00 | 2024-01-15 | 2024-03-31 | active | smb |
| 2 | Retention Webinar | 45000.00 | 2024-02-10 | 2024-04-15 | active | enterprise | |
| 3 | Finance Retargeting | 50000.00 | 2024-03-12 | 2024-05-31 | active | enterprise | |
| 4 | Enterprise Search | google_ads | 60000.00 | 2024-04-01 | 2024-06-30 | active | enterprise |
EXAMPLE QUERY
SELECT name
FROM marketing.campaigns;RESULT
| name |
|---|
| Spring Launch |
| Retention Webinar |
| Finance Retargeting |
| Enterprise Search |
The result uses the same Queryflo columns shown in the worked example.
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