KwickClips Databases and SQL · 41 sec · free
Which relationship is most common?
Short answer. One-to-many.
What does many-to-many need?
A middle table.
Relationships
| Type | Example |
|---|---|
| 1 to 1 | locker |
| 1 to many | fee receipts |
| Many to many | subjects |
Remember
| 1 to many is most common |
| Many to many: middle table |
How can rows in two tables match? Take one student. One student has one locker. One student has many fee receipts. Many students take many subjects. Two tips. One to many is most common. Many to many needs a middle table.
This clip is from the full lesson: Relationships Between Tables in Base — 7 minutes, with the tables, the quick answers and the whole lesson in text.
Useful for: CBSE Class 10 Information Technology (402)
More KwickClips from this lesson
Disclaimer. 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