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A many-to-many relationship between two entities is typically implemented using:
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Subject
Computer Science
Topic
Databases
Subtopic
ER Model
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hard
A junction (associative) table
A trigger
A single foreign key
A stored procedure
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Explanation
A many-to-many relationship is resolved with a junction table holding foreign keys to both related entities.…
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Concept Behind This Question
This question focuses on the concept of ER Model under the broader topic of Databases.
Related key concepts: databases, er-model.
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Databases
· Functional Dependencies· Recovery· Relational Model· SQL· Normalization· Indexing· Primary vs Foreign Key Links· Transactions→ ER Model· Triggers· Views· Stored Procedures· Concurrency Control· Integrity Constraints· Data Models· Data Warehousing· Database Systems· Distributed Databases· Relational Algebra· NoSQL· ACID Transactions· Relational Integrity· Concurrency Deadlock Anomalies
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Question Details
- Subject:
- Computer Science
- Topic:
- Databases
- Subtopic:
- ER Model
- Difficulty:
- hard
- Source:
- Silberschatz Database System Concepts 7th Ed Ch.6
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