KwickClips Databases and SQL · 39 sec · free
Why the error when ORDER BY comes first?
Short answer. The clause order is fixed: WHERE, then ORDER BY.
What does ORDER BY sort?
Only the rows WHERE kept.
Remember
| WHERE picks the rows |
| ORDER BY sorts them |
| ORDER BY comes last |
You put order by before where. Why the error? Where must come first. It picks Surat students. Then order by sorts only those rows. Where picks rows. Order by sorts them. It always comes last.
This clip is from the full lesson: Sorting Results with ORDER BY — 5 minutes, with the tables, the quick answers and the whole lesson in text.
Useful for: CBSE Class 12 Computer Science (083), CBSE Class 12 Informatics Practices (065), CBSE Class 11 Information Technology (802), CBSE Class 12 Information Technology (802)
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