KwickClips Databases and SQL · 42 sec · free
Why do marks get lost?
Short answer. Fields in the wrong order, or text without quotes.
What separates field names?
Commas.
Three steps
| Fields asked, in that order |
| Table name, spelled exactly |
| Condition, then sort |
Remember
| Quotes around text |
| Commas between fields |
An exam script has gaps. How do you fill them fast? Use three steps. List fields in the order asked. Copy the table name exactly. Write the condition, then the sort. Also remember. Quotes around text. Commas between fields.
This clip is from the full lesson: SQL for Cambridge IGCSE: Single-table Databases and Queries — 8 minutes, with the tables, the quick answers and the whole lesson in text.
Useful for: Cambridge IGCSE Grade 9 Computer Science (0478), Cambridge IGCSE Grade 9 Computer Science (0478), Cambridge IGCSE Grade 9 Computer Science (0478), Cambridge IGCSE Grade 10 Computer Science (0478)
More KwickClips from this lesson
What is a record?40 sec
Which keyword sorts largest first?45 sec
What is the difference between validation and verification?41 secDisclaimer. KwickAcademy is free study material for general learning and revision. Parts of it, including the voice-over, are produced with the help of AI tools and may contain errors; if you spot one, please tell us and we will correct it. Syllabus, marks and exam details follow the latest official board publications available to us, and boards can change them at any time, so always confirm against your board's official website and your school. Using this material does not guarantee any marks or result. Board names and trademarks belong to their owners; Kwickprep is not affiliated with or endorsed by any examination board. We never ask for passwords, OTPs or ID numbers. Your progress is saved only in this browser. Full disclaimer · Privacy