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What does a one-to-many relationship in a database mean?

easy📝 Conceptual Q11 of 15
SQL - Table Relationships
What does a one-to-many relationship in a database mean?
AOne record in a table relates to many records in another table
BMany records in a table relate to one record in the same table
COne record relates to exactly one record in another table
DMany records relate to many records in another table
Step-by-Step Solution
Solution:

  1. Step 1: Understand relationship types

    A one-to-many relationship means one record in a table connects to multiple records in another table.

  2. Step 2: Match definition to options

    One record in a table relates to many records in another table correctly describes this as one record relating to many records in another table.

  3. Final Answer:

    One record in a table relates to many records in another table -> Option A

  4. Quick Check:

    One-to-many = one record to many records [OK]
Quick Trick: One-to-many means one record links to many records [OK]
Common Mistakes:
MISTAKES
  • Confusing one-to-many with many-to-many
  • Thinking one-to-many means one record links to one record
  • Mixing up the direction of the relationship

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